Recipe

Homemade Fondant

Soft, smooth fondant made with marshmallows and powdered sugar. Easy to tint, easy to roll, and totally doable on a weeknight baking sprint.

By Matt Campbell

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4.7

A smooth white fondant covered round cake on a cake stand on a bright kitchen counter, with a small rolling pin and a bowl of powdered sugar nearby

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Fondant has a reputation. People either love the clean, sharp look or they side-eye it like it is a suspicious sweater for cakes.

Here is the thing. When fondant is homemade and handled the right way, it is soft, flexible, and way less fussy than you have been warned. This marshmallow version is my go-to because it uses grocery store ingredients, it tastes like vanilla marshmallow, and it rolls out without turning into a cracked mess.

If you want a cake that looks like it got its life together, this is your move. We are keeping it approachable, with the little tricks that actually matter like how to stop sticking, how to fix tearing, and how to store the leftovers so they do not turn into a sugar brick.

A large white bowl filled with mini marshmallows and a separate bowl of powdered sugar on a clean kitchen counter, ready for making fondant

Why It Works

It is forgiving. Marshmallow fondant stays pliable, and you can knead in tiny amounts of sugar or shortening to fix texture fast.
Accessible ingredients. Marshmallows, powdered sugar, a little water, and vanilla do the heavy lifting.
Great finish. You get that smooth, bakery-style surface that covers cakes cleanly.
Easy to customize. Tint it, flavor it, or mix in a little cocoa for chocolate fondant without changing the whole method.

A pair of hands kneading a soft white ball of fondant on a lightly powdered kitchen counter with a dusting of powdered sugar

Pairs Well With

Storage Tips

Short version: Fondant hates air. Treat it like play dough you actually care about.

Room temperature (best option)

Coat the outside lightly with vegetable shortening.
Wrap tightly in two layers of plastic wrap, then place in a zip-top bag or airtight container.
Store at cool room temperature for up to 2 to 4 weeks (humidity and handling can shorten this).

Freezer

Wrap as above, then freeze up to 2 to 3 months.
Thaw overnight at room temperature while still wrapped.
Knead until smooth before rolling. If it feels stiff, microwave 5 seconds at a time, then knead.

What not to do

Do not refrigerate unless your kitchen is extremely hot. Fridge moisture can cause sweating and stickiness.
Do not leave it uncovered on the counter. It will crust over fast.

Common Questions

Why is my fondant cracking when I roll it out?

Usually it is too dry or it has been over-sugared. Knead in 1/2 teaspoon vegetable shortening at a time until it feels like soft clay, then let it rest wrapped for 10 to 15 minutes. Also make sure it is warm-ish. Cold fondant cracks. If you see fine surface cracking (the famous “elephant skin”), that is often a sign it needs a little fat and a short rest.

Why is it sticky?

Sticky fondant needs either more powdered sugar or time. Knead in powdered sugar 1 to 2 tablespoons at a time. If it is humid, let it rest wrapped for 15 minutes, then reassess. Dusting the counter helps, but dumping sugar on top can dry the surface while the inside stays gummy.

Can I make it without a microwave?

Yes. Melt the marshmallows gently in a heatproof bowl set over a pot of barely simmering water. Stir often until smooth.

How do I color fondant without making it a mess?

Use gel food coloring. Toothpick dots are your best friend. Wear gloves, and knead until the color is even. If it gets sticky after coloring, knead in a little powdered sugar.

Does homemade fondant taste better than store-bought?

In my experience, yes. This tastes like vanilla marshmallow instead of straight-up sweet chalk. Still sweet, but friendlier.

How much fondant do I need for a cake?

For a two-layer 8-inch or 9-inch cake (about 4 inches tall), this recipe is usually enough for a full cover with a bit left for simple decor. If you want tall sides, sharp edges, or lots of decorations, make 1.5 batches.

Powdered sugar or cornstarch for rolling?

Either works. Powdered sugar keeps things sweet and soft. Cornstarch is great if you want a less-sweet surface, but go easy because too much can dry the fondant and leave a slightly dull, grayish cast.

Can I make chocolate fondant?

Yes. Replace 1/4 to 1/2 cup of the powdered sugar with unsweetened cocoa powder (sift it). You may need a tiny splash of water or an extra dab of shortening to keep it supple.

A large circle of rolled white fondant on a lightly dusted counter with a rolling pin and cornstarch shaker nearby

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

Microwave-safe mixing bowl (large)
Rubber spatula
Measuring cups and spoons
Fine mesh sieve (optional for lump-free powdered sugar)
Clean counter or silicone mat for kneading
Plastic wrap and zip-top bags for storage
Rolling pin (for covering cakes)

I used to treat fondant like it was only for people with turntables, rulers, and the emotional stability to make sugar roses. Then I started messing with marshmallow fondant at home, mostly because I wanted the clean cake look without buying a pricey tub that tasted like regret.

Now it is one of my favorite “I wonder if…” kitchen projects because it is oddly satisfying. You melt marshmallows, you knead a sticky blob into something smooth, and suddenly you are holding a blank canvas that makes any cake look like it showed up in a blazer.