How to Make 3 Ingredient Marshmallow Fondant at Home
Skip store-bought, make your own soft 3 Ingredient Marshmallow Fondant at home.
Why You Will Love and Enjoy 3 Ingredient Marshmallow Fondant
- It’s quick, easy, and perfect for beginner cake decorators
- Uses simple pantry ingredients you probably already have
- Tastes sweeter and softer than store-bought fondant

White Marshmallows and Icing Sugar Made Simple
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3 Ingredient Marshmallow Fondant
- Prep Time: 10 minutes
- Cook Time: 2 minutes
- Total Time: 12 minutes
- Yield: Enough for a 6-to-7-inch cake or make decorations
- Category: Cake Cupcakes Cookies and Tarts
- Method: Baking
Description
Soft, sweet, and surprisingly easy, this homemade fondant comes together with just marshmallows and icing sugar. If you’ve ever been nervous about making fondant from scratch, don’t be. I promise, this one’s forgiving.
Ingredients
- 100 g white marshmallows, cut into small pieces if large
- 150 g icing sugar, sifted
- 2 drops almond essence
- 1 1/2 tsp water, added gradually
- A little butter for your hands
Instructions
- Lightly grease a medium microwave-safe bowl with a smear of butter so the fondant doesn’t stick later.
- Add the 100 g white marshmallows to the bowl. If you’re using the big ones, cut them into smaller pieces so they melt evenly.
- Microwave the 100 g white marshmallows on high for 1 minute. Check and stir.
- If they’re not fully puffed and melted, heat in 10-second bursts, stirring each time. Don’t walk away; they can burn quickly and go hard.
- Once the marshmallows are melted and smooth, stir in 2 drops of almond essence and 1 tsp of the 1 1/2 tsp of water. Mix quickly while everything is still warm.
- Gradually add the 150 g sifted icing sugar, a little at a time, stirring with a spoon first.
- It will look messy and sticky at this stage. That’s normal.
- If it feels too dry, add the remaining 1/2 tsp water a few drops at a time. You may not need all of it, so go slowly.
- When it starts coming together, rub a little butter on your palms and knead the mixture gently until it forms a smooth, soft ball.
- If it’s too sticky, dust lightly with extra icing sugar. If it cracks, knead in a tiny drop of water.
- If you’re adding gel food colouring, knead it in at this point, but wear gloves to not stain your hands.
- Once smooth and pliable, wrap the fondant tightly in plastic wrap, then place it in an airtight container.
- Let it rest for at least 30 minutes before rolling so it firms up properly.
- Store at room temperature in an airtight container for up to 1 week. If it feels firm later, knead it with a tiny smear of butter until soft again.
Notes
Created, prepared, tried, and tested Preshana
3 Ingredient Marshmallow Fondant turns simple white marshmallows and icing sugar into soft, pliable fondant in minutes. It’s smooth, easy to knead, and perfect for covering cakes or shaping decorations.

3 Ingredient Marshmallow Fondant is soft, pliable, and quick to make, perfect for cakes and cupcakes. It’s simple, fun, and beginner-friendly, letting anyone transform a few ingredients into professional-looking decorations. You’ll enjoy how easy it rolls, shapes, and colors, and how it elevates any cake or baking project instantly.
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