Cotton Candy Marshmallows

Featured in Decadent Desserts.

These homemade marshmallows taste just like cotton candy. Whip up a batch with gelatin, sugar, and cotton candy flavoring, then let them set overnight before cutting into squares.
Sarah
Updated on Thu, 03 Apr 2025 13:14:22 GMT
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Pillowy soft marshmallows infused with the nostalgic flavor of cotton candy create an irresistible treat that transports you straight to childhood fairgrounds and summer carnivals. The delicate pink and blue hues swirl together in these cloud-like confections, delivering the perfect balance of sweetness with that unmistakable cotton candy magic. These homemade marshmallows elevate an already beloved classic into something truly spectacular that disappears from plates within minutes.

Last summer I made these for my niece's birthday party, slightly nervous about tackling homemade marshmallows for the first time. The moment those little hands reached for seconds and thirds, eyes wide with delight, I knew I'd found a signature treat worth perfecting. The adults hovered around the dessert table just as eagerly, each bite triggering fond memories of county fairs and childhood indulgences.

Marshmallow Essentials

  • Unflavored gelatin: Creates the signature bouncy texture; bloom completely for perfect consistency and avoid expired products that won't set properly
  • Granulated sugar: Provides essential sweetness and structure; use pure cane sugar for cleanest flavor without unwanted molasses notes
  • Corn syrup: Prevents crystallization and creates silky smoothness; light corn syrup works best for allowing cotton candy flavor to shine
  • Cotton candy flavoring: Delivers the authentic fairground taste; select oil-based flavorings for most potent results without added moisture
  • Food coloring: Enhances the visual appeal; gel colors offer vibrant hues without diluting the mixture
  • Powdered sugar: Prevents sticking while adding a delicate sweetness; sift thoroughly to remove any lumps before dusting
  • Cornstarch: Creates the perfect non-stick coating; combine with powdered sugar for ideal texture balance

Kitchen Choreography

Gelatin Preparation: Pour cold water into a clean mixing bowl and sprinkle gelatin evenly across the surface, allowing it to bloom undisturbed for five full minutes until completely absorbed.

Syrup Creation: Combine sugar, corn syrup, and water in a heavy-bottomed saucepan, stirring gently until sugar dissolves completely before bringing to a controlled boil without stirring.

Temperature Monitoring: Clip a candy thermometer to the side of your pan and watch carefully as the mixture climbs to precisely 240°F, the soft-ball stage critical for proper marshmallow setting.

Mixture Combination: With mixer running at medium speed, carefully pour hot syrup in a thin stream down the side of the bowl into bloomed gelatin, avoiding the whisk to prevent splashing.

Volume Development: Increase mixer speed gradually to high, watching as the mixture transforms from transparent liquid to opaque white fluff that expands dramatically in volume.

Flavor Incorporation: Once the mixture holds soft peaks and feels slightly warm to the touch, add cotton candy flavoring and chosen colors, watching the magical transformation as carnival colors swirl through.

Setting Environment: Prepare a pan with generous non-stick coating, then pour and spread the fluffy mixture using a spatula coated with a thin layer of neutral oil to prevent sticking.

Cutting Technique: After setting completely, dust a cutting board with the sugar-cornstarch mixture, turn out the marshmallow slab, and slice with a clean knife dipped in warm water between cuts.

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I learned the humidity lesson the hard way during a rainy summer afternoon when my marshmallows refused to set properly. My grandmother suggested adding an extra tablespoon of gelatin to compensate for the moisture in the air. That simple adjustment rescued my batch and became my go-to modification whenever dark clouds gather. Nothing compares to biting into a perfectly set homemade marshmallow with that distinctive cotton candy flavor bringing smiles all around.

Delightful Pairings

Elevate your cotton candy marshmallows by serving them alongside rich hot chocolate for an extraordinary combination of flavors and textures. The marshmallows melt slowly, creating a sweet cotton candy cream layer on top of the chocolate. For summer gatherings, sandwich them between graham crackers with a thin layer of white chocolate for carnival-inspired s'mores that will have everyone talking. These colorful treats also shine when arranged on dessert boards with fresh strawberries and vanilla wafer cookies.

Creative Twists

Transform this confection by incorporating blue raspberry cotton candy flavoring instead of traditional pink for a tangy variation that appeals to those who prefer less sweetness. Layer different colored batches in your setting pan to create striped marshmallows that reveal their pattern with each slice. For sophisticated adult versions, add a drop of champagne extract alongside the cotton candy flavoring, creating an unexpected complexity that pairs wonderfully with dessert wines or as garnishes for festive cocktails.

Freshness Preservation

Maintain optimal texture by storing your cotton candy marshmallows between layers of parchment paper in an airtight container placed in a cool, dry cupboard away from heat sources. These delicate treats remain at peak quality for up to two weeks when properly stored. For gifting purposes, place individual marshmallows in cellophane bags tied with colorful ribbon, adding extra powdered sugar coating to prevent sticking. When refreshing slightly dried marshmallows, lightly mist them with water using a spray bottle, then immediately dust with fresh powdered sugar.

After years of marshmallow making, these cotton candy versions remain my most requested treat. There's something magical about watching someone taste them for the first time - that moment of surprise when the expected vanilla flavor gives way to the unmistakable essence of cotton candy. The joy these simple sweets bring far exceeds the effort required to make them. They've become my signature contribution to family gatherings, and I've yet to bring home leftovers. Sometimes the most memorable treats aren't the most complex, but rather the ones that connect us to happy memories while creating entirely new ones.

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Frequently Asked Questions

→ Can I make these without a stand mixer?
You can use a hand mixer, but be prepared for a workout! You'll need to beat the mixture for 10-12 minutes until it's thick and fluffy. A stand mixer just makes this easier on your arms.
→ Where do I find cotton candy flavoring?
Look for it at specialty baking stores, craft stores with a baking section like Michael's, or online retailers like Amazon. If you can't find it, vanilla extract works as a substitute.
→ Can I use different colors?
Absolutely! Traditional cotton candy colors are pink and blue, but you can use any colors you like. Purple, yellow, or even a swirl of multiple colors would work great.
→ How long do these marshmallows last?
Stored in an airtight container at room temperature, they'll stay fresh for about a week. Don't refrigerate them as they can get sticky and lose their texture.
→ Can I use these marshmallows for s'mores?
Yes! They toast beautifully over a fire. The cotton candy flavor adds a fun twist to classic s'mores that kids especially love.
→ Are these marshmallows vegetarian?
No, traditional marshmallows contain gelatin which is animal-derived. For vegetarian marshmallows, you would need to use a plant-based gelatin substitute like agar-agar, though the recipe would need adjustments.

Fluffy Cotton Candy Treats

Homemade marshmallows with the flavor of cotton candy. Soft, fluffy treats perfect for gifts, hot chocolate, or just snacking!

Prep Time
20 Minutes
Cook Time
360 Minutes
Total Time
380 Minutes

Category: Sweet Treats

Difficulty: Intermediate

Cuisine: American

Yield: 36 Servings (36 marshmallows)

Dietary: Vegetarian, Gluten-Free, Dairy-Free

Ingredients

→ For the Marshmallows

01 3/4 cup cold water, split into two parts
02 3 envelopes unflavored gelatin (about 7g each)
03 2 cups granulated sugar
04 1/2 cup light corn syrup
05 1/4 teaspoon salt
06 1 teaspoon cotton candy flavoring
07 A few drops of pink or blue gel food coloring (or mix them!)

→ For the Coating

08 1/2 cup powdered sugar
09 1/4 cup cornstarch

Instructions

Step 01

Grab a 9×9-inch baking pan and line it with parchment paper. Lightly grease the paper with cooking spray or a bit of oil so your marshmallows won't stick later.

Step 02

Pour 1/2 cup cold water into your stand mixer bowl and sprinkle the gelatin over it. Let it sit for about 5-10 minutes - it'll get all weird and wrinkly, which is exactly what you want.

Step 03

In a saucepan, mix the sugar, corn syrup, salt, and remaining 1/4 cup water. Heat it up, stirring until the sugar melts. Then crank up the heat and let it boil until it hits 240°F on a candy thermometer - no thermometer? Just cook until a small drop forms a soft ball when dropped into cold water.

Step 04

Turn your mixer on low and slowly pour in the hot sugar syrup (careful, it's super hot!). Once it's all in, crank that mixer up to high and let it go for 10-12 minutes. It'll transform from clear goop to a fluffy cloud that looks like marshmallow cream. Add your cotton candy flavoring and food coloring during the last minute.

Step 05

Quickly scrape the fluffy mixture into your prepared pan. It gets sticky fast! Smooth the top with a spatula that you've sprayed with cooking spray. Now comes the hard part - leave it alone for 6-8 hours or overnight to set.

Step 06

Mix the powdered sugar and cornstarch in a bowl. Dust your counter with some of this mixture, then flip the marshmallow slab onto it. Peel off the paper and dust the top too. Use a greased knife to cut into squares, or break out cookie cutters for fun shapes. Roll each marshmallow in the sugar mixture so they don't stick together.

Step 07

Pop these fluffy treats into an airtight container. They'll stay fresh at room temperature for about a week, if they last that long without being eaten!

Notes

  1. For a fun tie-dye effect, split your batch in half before adding colors, then swirl pink and blue together in the pan.
  2. These make the most magical hot chocolate toppers - they slowly melt and turn your drink cotton-candy flavored!
  3. Can't find cotton candy flavoring? Vanilla works in a pinch, or try strawberry for a similar sweet vibe.

Tools You'll Need

  • Stand mixer with whisk attachment
  • 9×9-inch baking pan
  • Candy thermometer
  • Medium saucepan
  • Spatula

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains corn (corn syrup and cornstarch)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 45
  • Total Fat: ~
  • Total Carbohydrate: 11 g
  • Protein: 0.5 g