Alright guys and gals, let’s talk marshmallows. Sweet, soft, springy, fluffy pillows of deliciousness – homemade marshmallows are easy and so much better than store-bought. This is a long post with plenty of tips on how to make marshmallows – with or without corn syrup, and with or without a sugar thermometer. Skip ahead to the recipe if you like, but make sure to read the post for all the tips and to learn the basics of the process.
When it comes to marshmallows, I’ve been spoiled. I’ve enjoyed PERFECT homemade marshmallows since I was little, because my grandmother was an absolute pro at making them. She passed on the obsession to me, and I’ve been fluffing ’em up for as long as I can remember. I’ve shared these butterscotch swirled marshmallows on the blog before, but decided it was time to make a detailed, troubleshooting post with all tips and tricks I’ve learned along the way, so that I can show you how easy it is to make the fluffiest, most divine marshmallows in the comfort of your home.
So why bother making marshmallows at home? Well, as cliche as this sounds, they really are SO MUCH better than any store-bought marshmallows. Store-bought marshmallows just don’t have that pure, irresistible, marshmallow flavor or the melt-in-your-mouth fluffiness. And if you try making s’mores, you’ll find that homemade marshmallows have a really desirable melting quality that store-bought marshmallows don’t have. You can make them in any size you want and you know exactly what goes in. And if you store them in an air-tight container, it’ll keep pretty much for ever. I mean, seriously. There’s nothing in it that can go bad over time, so they’ll keep for a really long time!
And if all that wasn’t enough to sway you, how about this? Homemade marshmallows are really simple to make! 🙂 True story. And even if you’re nothing like me, I have a feeling if you try it once, you just might get hooked, just like I did!
So, let’s get to it. Here I’m going to show you step by step, how to make marshmallows at home. I’ll be sharing how to make homemade marshmallows WITHOUT corn syrup, as well as WITH corn syrup (and corn syrup substitutes). And then WITHOUT a sugar thermometer, and WITH a sugar thermometer.
Yes, it does make your life easy if you have a sugar thermometer, but it’s not essential. After all, my grandmother slayed it without a thermometer for decades. Please note that this is a long post. This is for anyone who wants to understand the process, and even adapt the recipe to what you have at hand. If you want to skip right ahead to the recipe, please do so. But if you do have questions about the technique, please make sure to take your time and read the post.
First let’s talk about the ingredients.
What kind of sugar can I use to make homemade marshmallows?
I always use white cane sugar and this is what I recommend. Cane sugar tastes better, but granulated white sugar (that can be derived by other means, like beet) is OK too. You can use any kind of granulated white sugar.
Substitutions – There are ways to use unrefined sugar too. You can make marshmallows with unrefined raw sugar (not brown sugar) or you can use ALL agave syrup too. Again, you need to boil the raw sugar to the same stage as you would the white sugar. You can use maple syrup or honey too. Since these sugar substitutes have a higher water content, the process and quantities will be different.
I’ll cover this in another post later on.
Can I make homemade marshmallows WITHOUT corn syrup?
YEP! Although, it CAN be a little trickier to make marshmallows without corn syrup. The main reason why corn syrup is added is to prevent crystallization of the sugar syrup. When the sugar is melted and boiled to the point where it has 0% water, the syrup can revert back to it’s crystallized state in a hurry. All it takes is some cold water, one grain of sugar, or agitating the sugar syrup.
The inverted sugar in the corn syrup helps prevent this from happening. It’s not fool-proof, but definitely helps protect the sugar syrup.
If you prefer not to use corn syrup, you can leave it out OR you can add agave syrup or golden syrup (which will add some flavor) instead. This will also help prevent the syrup from crystallization.
However, if you’re making homemade marshmallows only with sugar (i.e. no corn syrup or agave), you can still totally do it. BUT, you need to be extra careful to make sure that you do not re-introduce sugar crystals, or cold water. And definitely DO NOT stir the sugar syrup. I mean it.
TIP FOR FIRST TIME MARSHMALLOW MAKERS – If you can find corn syrup (also called glucose syrup) or agave, USE IT. It’s less stressful knowing that your sugar syrup is less likely to crystallize. Having said that, with my method of making homemade marshmallows (vanilla marshmallows), it’s easier to not crystallize your sugar syrup which ever way you choose to make them.
Can I use gelatin or agar to make vanilla marshmallows?
Gelatin is the setting agent for marshmallows. If you’re vegan or vegetarian, you can use agar instead. But just be aware that the texture will change. The texture is very important for me with these homemade marshmallows and that’s why I prefer using regular gelatin.
I personally haven’t used agar to make marshmallows, but I’ve done some research where I’ve read that you can substitute POWDERED AGAR for gelatin at a 1:1 ratio.
One thing to note with gelatin is that it loses some of its setting properties at high temperatures. This is a problem when making marshmallows, because you’re basically adding very hot sugar (hotter than the boiling temperature of water) to gelatin here. So once the sugar has heated to the right temperature, let it cool down ever so slightly, and then add the sugar syrup along the wall of your mixer bowl, while whisking the gelatin. This cools down the sugar further, while still melting and mixing the gelatin uniformly.
Agar does NOT have this problem, so you can safely add the sugar directly to the agar while whisking. But please note that the agar agar needs to be hydrated just as the gelatin was.
Another shortcut is to use a packet of jello instead of unflavored gelatin. You will need to reduce about 1/4 of the sugar if you use a jello packet because this already includes sugar. Personally, I don’t like to do this for regular marshmallows, but these would be great for a layered dessert pudding.
What’s the purpose of adding egg whites to marshmallows?
Whisked egg whites are sometimes added to marshmallows. This is especially popular among the French. The whisked egg whites make the marshmallows extra light and fluffy and a little more manageable, especially if you want to pipe shapes with the marshmallow.
- As soon as the sugar-gelatin mix is whisked to its full capacity, it starts to set very quickly. The addition of egg whites slows down this process a little, making it easier for you to pipe shapes, like peeps or rosettes.
- The addition of egg whites makes the marshmallows softer. They have less of a “bite” than egg-less marshmallows (because there’s less gelatin per egg white marshmallow vs egg-less marshmallow).
- They melt even more easily!
I personally don’t like to add egg whites, unless I’m planning on making marshmallow shapes. It’s just an additional step and honestly, most of the time I’m just too lazy to do it. Plus, I actually prefer the taste and mouthfeel of vanilla marshmallows made without egg whites.
Another reason is that marshmallows made with egg whites will not keep for as long, since you’ve got egg whites in there which can go bad fairly quickly. Whereas regular vanilla marshmallows made without egg whites will keep for a VERY long time (unless you eat it all right away, of course), and it’s safer for kids and pregnant women too.
How can I add flavor to homemade marshmallows?
This is one of my favorite things to do, and you can get super creative with it! 🙂
Usually, flavoring is added at the end. The high temperature of the sugar syrup can ruin the flavoring, so it’s better to add it when the marshmallow mix has cooled down. This is especially true for extracts and alcohol-based flavors. During the whisking stage, make sure to add some salt as well. This salt will balance out the sweetness and make your marshmallows taste that much better.
My go-to flavor is vanilla. I love homemade vanilla marshmallows. I ALWAYS add salt and vanilla to my marshmallows no matter what other flavors that I’m going to introduce later. Vanilla marshmallows are just a great canvas to work on. They are perfect for basic homemade marshmallows. So make sure to use a good-quality vanilla extract, or my favorite – a good vanilla bean paste. I like using Madagascar bourbon vanilla, but a Tahitian vanilla works well too.
You can use other extracts like peppermint, almond, lemon, orange and alcohol-flavored extracts (rum or bourbon essence). If I’m not making them for kids, I usually like to add alcohol as well to get some artisan boozy marshmallows.
For certain flavors, you can add the flavoring to the sugar syrup. Like for lemon zest (or other citrus flavors) or maple or other fruity marshmallows, you can substitute the liquid or sugar with the flavoring ingredient and proceed with the rest of this recipe.
But if you do add a substantial amount of flavoring like fruit puree, or cocoa powder, you may need to add extra gelatin to make sure your marshmallow sets properly.
You can also make awesome swirled marshmallows like these butterscotch swirled marshmallows that I shared last year. They taste part marshmallow and part toffee, and very delicious. 🙂
But this recipe is on how to make marshmallows, so I will show you how to make basic homemade marshmallows WITHOUT corn syrup (using agave syrup) and with real vanilla flavor. I will cover more complicated flavored marshmallows in a different post, but will add some simple flavor variations in the NOTES section of this recipe.
RECIPE NOTES, TIPS & TRICKS For making Homemade Marshmallows!
Step 1 – making the sugar syrup. Whether you use all sugar OR sugar and a syrup, once the sugar has melted, it’s really important to make sure that the sugar on the side of the pot has dissolved completely too. I do TWO things to make sure this has occurred.
- Liberally brush the sides of the pan with warm water using a CLEAN pastry brush (cold water is fine if you used corn syrup or a substitute), to dissolve the sugar into the sugar syrup.
- Cover the saucepan with a lid and let it “cook” for about 2 – 3 minutes. The condensation that collects on the lid will slide down the sides of the wall of the pan, washing down the sugar crystals.
I usually follow method number two because it’s easier. Especially if I haven’t used corn syrup or agave in my sugar syrup. But you can use both methods if you do use corn syrup.
Step 2 – making sure the sugar reaches the right temperature.
This step is easy if you have a sugar thermometer. Set it to 245°F (firm-ball stage), and swirl the pan from time to time (gently) to dissipate the heat evenly. You’ll know it’s ready when the thermometer reaches the right temperature (between 242°F – 246°F). If you’re not using corn syrup (or a substitute), make sure not to agitate the sugar syrup. This means that if you are using a sugar thermometer, do not move it around in the syrup too much. This can cause the syrup to crystallize.
Make sure the sugar thermometer is clipped to the side of the saucepan, with the probe immersed in the sugar syrup but without touching the bottom of the pan. If you just place the thermometer in the pot (with the probe touching the bottom of the pan), you won’t get an accurate reading.
Even if you don’t have a sugar thermometer, you can still check the sugar syrup stage as follows. Every 5 minutes or so, take a small amount of the sugar syrup and drop it into a small bowl of cold water.
- If the sugar dissolves in the water completely – it’s not ready.
- If the sugar forms a cohesive shape in the cold water, but it can be completely flattened in your fingers, then it is not ready – this is the soft-ball stage.
- If the sugar has reached firm-ball stage, then it will form a cohesive shape in the water. You can form a firm and pliable ball with the sugar using your fingers too. It will also hold the shape it’s pressed into without dissolving. THIS IS THE RIGHT STAGE.
- But if the sugar forms a cohesive ball that is too firm and is not easily pliable, then it’s gone a little too far. You can still make marshmallows with this sugar syrup, but it will be slightly chewier. If you want to, you can add a little hot water to the sugar syrup and “re-cook” the syrup to reach the right temperature again.
This is how my grandmother used to check the stages of the sugar syrup of the marshmallows she made. And the fact is even with a sugar thermometer, I still use this test to absolutely make sure the syrup is ready to be used. Even if your thermometer isn’t working, the sugar syrup will not lie.
Step 3 – preparing the gelatin.
The gelatin is mixed with cold water to let it bloom or hydrate. This stage is important because without blooming the gelatin, you may still end up with “blobs” of undissolved “raw” gelatin in the marshmallow. The blooming process ensures the gelatin will dissolve evenly and easily as you whisk in the sugar syrup.
Optional step – adding egg whites.
Whisk the egg whites while the gelatin-sugar mix is being whisked to make the marshmallows.
Step 4 -whisking the marshmallow.
I usually whisk the gelatin and sugar mix on high speed for about 5 minutes (for 1 batch), until I see the base start to pull away from the sides as webby strings.
At this stage, I add the flavoring and the whisked egg whites and whisk to combine.
Step 5 – setting the marshmallow.
The marshmallow is spread on a square 8 x 8 inch pan or quarter sheet pan (9 x 13 inch pan). This pan needs to be prepared to make sure the marshmallow doesn’t stick. I prefer to rub the pan with shortening, solidified coconut oil or butter. I don’t like brushing it with vegetable oil UNLESS I line the pan with parchment paper too, because the marshmallow tends to stick to the pan if you brush the pan with a liquid oil or fat. The marshmallows have more height with an 8 x 8 inch pan, or 9 x 9 inch pan and they’ll be shorter if you use a 9 x 13 inch pan.
Remember to ALWAYS rub butter, or shortening or coconut oil (solid coconut oil) on all the utensils you will be using too. This includes spatulas and knives or scissors that you will be using to cut the marshmallows.
The next part is the hardest. WAITING.
You have to wait at least 6 hours for the marshmallow base to “cure”. I’m not sure what the purpose of this is, but I find that marshmallows are easier to cut and have the right texture after it has set properly. DO NOT RUSH THIS PROCESS.
Once you cut the marshmallows, you can toss them in the sugar mix or dip them in chocolate (yum!). Then the marshmallows are ready to be eaten. It’s important to store the marshmallows in an air-tight container, and NOT IN THE FRIDGE.
I promise you these marshmallows will be the softest, fluffiest, springiest little pillows of deliciousness you’ve ever had! 🙂 Once you know the ins and outs of making marshmallows, you can do all sorts of things with it. You can add coloring and flavorings and plenty more. Like these orange blossom marshmallows with pistachios or these butterscotch swirled marshmallows!
You can also get your kids involved with the addition of colors and flavors, and then cutting shapes out of the marshmallow. And they will most likely remember all that fun for the rest of their lives, as I can attest to. 🙂 These homemade vanilla marshmallows are the real deal. They are so much better than store-bought, and s’mores are going to be a whole lot of fun!
Basic Homemade Marshmallows
Learn how to make marshmallows without corn syrup (or with corn syrup) with this step by step detailed recipe. Once you know the basics, you can make perfect vanilla marshmallows every single time.
Please note there is 6 hours of inactive time.
Homemade Marshmallow Base
- 14.5 oz white sugar increase the sugar to 500 g, if you’re not using agave or corn syrup
- ⅓ cup agave syrup or corn syrup
- ½ cup water increase water to ⅔ cup if you’re not using agave or corn syrup
- ½ cup water
- 7 tsp gelatin about 3 packets of Knox gelatin (21. 6 g)
- Pinch of salt
- 1 ½ tsp pure vanilla extract
- 1 cup confectioner's sugar sifted
- 1/2 cup cornstarch (cornflour)
Homemade Marshmallow Base
- Place the sugar, agave syrup (or corn syrup), and water in a pot. Stir until the sugar is moistened and mixed with the water.
If you’re not using agave or corn syrup, place the sugar in the saucepan and pour the water along the edge of the saucepan. Make an “X” in the sugar using your finger - wall to wall, to let the water to spread and moisten the sugar.
Heat over medium-high heat until the sugar syrup comes to a boil. Gently swirl the pan to evenly distribute the heat.
- Cover the saucepan with a lid and lower the heat to medium. Let the syrup cook for 3 minutes. Do not lift the lid at this point.
After the 3 minutes, remove the lid and check to make sure there are no sugar crystals on the side of the saucepan. If there are crystals, then cover the saucepan for a further minute to allow the condensation to wash down the sugar crystals into the syrup.
Clip the sugar thermometer to the side of the saucepan, and set the temperature at 245°F. Let the sugar syrup cook until it reaches this temperature. If you don't have a sugar thermometer, please check the sugar stage every 5 minutes until it reaches the firm-ball stage (please read the recipe notes in the post to learn how to do this).
- While the sugar syrup is cooking, prepare the gelatin. Place ½ cup of water in the mixer bowl. Add the gelatin to the water and mix to moisten the gelatin. Set aside to allow the gelatin to bloom while the sugar syrup is cooking (at least 10 minutes). Place the bowl in your mixer, with the whisk attachment.
When the sugar syrup reaches the right stage, remove it from the heat and let it sit for a couple of minutes. While the mixer is running on medium - low speed, pour the sugar syrup into the gelatin, along the wall of the bowl (this is to prevent the gelatin from being scorched by the hot sugar syrup). Add the salt and increase the speed to high. Whisk on high for 3 - 5 minutes until the marshmallow base has tripled in size and is white, fluffy and smooth. Do not mix for longer than 5 minutes, as the marshmallows may dry out.
While the marshmallow base is whisking, prepare the pan and utensils you will be using. Rub an 8 x 8 inch pan with shortening or butter (you can line this pan with parchment paper and brush that with vegetable oil to make it even easier). Brush all the utensils - spoon, spatulas with the same fat/oil as well.
- Optional - whisk the 2 egg whites in a clean metal bowl until you have stiff peaks. Set aside until needed.
- Add the vanilla, (and egg whites - if using) to the marshmallow base and whisk for a further minute to combine the vanilla (and egg whites).
- Scrape the marshmallow base into the prepared pan using an oiled cake spatula or flexible scraper. Spread the marshmallow evenly in the pan using the oiled spatula.
- Sieve confectioner’s sugar over the top of the marshmallow and allow the marshmallow to set for at least 6 hours.
Turn out the set marshmallow onto a work surface dusted with the dusting powder. Cut the marshmallows with an oiled knife or a pair of scissors. Toss the marshmallow in the dusting powder and store in an air-tight container.
Mix the confectioner's sugar and cornstarch together until well combined. Set aside until needed.
Note 1 - Please read the post for more detailed tips and tricks for troubleshooting.
Note 2 -
- Lemon marshmallows - add lemon zest to the sugar syrup. Substitute 1/4 cup strained lemon juice for the water. Proceed as normal for the rest of the recipe.
- Peppermint marshmallows - add 2 tsp of peppermint extract in addition to the vanilla extract. Add a few drops of red food coloring and swirl it into the marshmallow base.
- Chocolate chip mint marshmallows - add 1/2 cup of grated milk chocolate (or finely chopped chocolate) and 2 tsp of pepper mint extract to the marshmallow base and mix to combine.
- Unicorn marshmallows - you will need to work quickly for these. Divide the marshmallows into 3 portions. Color each portion with pink, blue, and purple. Swirl the colors together and spread them in the prepared pan.
Note 3 - Note on gelatin
- If you are using Knox gelatin, you will need 3 packets which will equate to 6 3/4 - 7 tsp (or 21.6 g )
- If you are using other gelatin packet brands, measure out the packet content to make sure you have 6 3/4 - 7 tsp of gelatin. This is because I tried the generic brand of gelatin packet, and each packet contains 3 tsp of gelatin!
- If you are using loose gelatin powder, then you can easily measure 6 3/4 - 7 tsp of gelatin for this recipe.
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