Cotton Candy Marshmallow Delights

Category: Fun Meals Kids Will Love

Experience soft, pillowy marshmallows tinged with playful cotton candy sweetness. Start by blooming gelatin in cool water, then gently cook a sugar syrup until it reaches the ideal temperature. Whip together until the mixture is light, thick, and airy, before adding vivid color and nostalgic flavor. Pour the mixture into a greased, parchment-lined pan and let it set for several hours until firm. Finally, dust with powdered sugar and cornstarch before slicing into bite-sized treats. Enjoy as a whimsical sweet, party favor, or as a topping for hot chocolate and other desserts.

A woman is reading a book.
By Harper Harper
Updated on Mon, 16 Jun 2025 14:09:51 GMT
A plate of cotton candy marshmallows. Save
A plate of cotton candy marshmallows. | flavorrhaven.com

Cotton candy marshmallows bring together soft, pillowy homemade marshmallows with that unmistakable carnival sweetness. Their fun pastel swirls and nostalgic flavor make them the ultimate treat for everything from birthday parties to cozy mugs of hot chocolate. Each bite tastes like a trip down memory lane and looks festive enough for any celebration.

The first time I whipped these up for my niece’s birthday, the kids went wild for them. Now it is a tradition for every special occasion.

Ingredients

  • Cold water: provides moisture and helps bloom the gelatin. Use filtered water if possible for pure flavor
  • Unflavored gelatin: gives marshmallows their signature squish. Make sure to use fresh packets for best results
  • Granulated sugar: sweetens and helps create that firm yet fluffy structure. Choose fine sugar so it dissolves easily
  • Light corn syrup: keeps the texture smooth and prevents crystallization. Opt for clear syrup for pastel colors to show through
  • Salt: highlights sweetness and balances flavors. Table salt works just fine
  • Cotton candy flavoring: brings that classic nostalgic taste. Look for concentrated types in baking aisles or online
  • Gel food coloring: creates the bright swirls. Gel holds up better than liquid and will not water down your mix
  • Powdered sugar: softens the outside of each marshmallow and prevents sticking. Sift before using for best dusting
  • Cornstarch: works with powdered sugar as a coating so the marshmallows do not clump together. Use pure cornstarch for a clean finish

Step-by-Step Instructions

Prepare the Pan:
Line a nine-inch square baking pan with parchment paper making sure it covers the bottom and sides. Lightly grease it so the marshmallow does not stick
Bloom the Gelatin:
In the bowl of a stand mixer combine half a cup of cold water and all the gelatin. Let this mixture sit for up to ten minutes so the gelatin softens and fully hydrates
Cook the Sugar Syrup:
In a medium saucepan combine the granulated sugar corn syrup salt and the rest of your water. Warm this mixture over medium heat stirring until you do not see any grains of sugar left. Once dissolved raise the heat to medium high and bring to a boil. Using a candy thermometer check until it reaches two hundred forty degrees Fahrenheit
Whip the Marshmallow Mixture:
Carefully pour the hot syrup into the bloomed gelatin with your mixer on low. Gradually turn the speed to high. Let this whip for up to twelve minutes until it thickens becomes glossy and is not too hot. Add the cotton candy flavoring and your desired color then mix until even
Transfer to the Pan:
Pour the billowy pink and blue mixture into your prepared pan. Grease a spatula and smooth out the top. Leave this somewhere safe on the counter for six hours or until it is set
Cut and Coat the Marshmallows:
Mix your powdered sugar and cornstarch in a small bowl. Dust your work surface then turn the marshmallow slab out of the pan. Peel away the parchment paper and dust the top with your sugar mix. Use a greased knife or shaped cutters to slice marshmallows then toss each piece in the sugar mixture so they stay separate
A pile of cotton candy marshmallows. Save
A pile of cotton candy marshmallows. | Flavorrhaven.com

My favorite part is tinting each batch in swirled pastel colors. My sister still remembers the first time we surprised her kids with homemade marshmallows at the family reunion and that sweet cotton candy aroma filled the house.

Storage Tips

Keep marshmallows in a tightly sealed container at room temperature. They will stay soft and chewy for about a week. Avoid the fridge since moisture can make them sticky

Ingredient Substitutions

You can swap the cotton candy flavoring for vanilla or fruity extracts like strawberry or raspberry to create different versions. A drizzle of honey can stand in for some of the corn syrup but this will slightly change the flavor and color

Serving Suggestions

Pile them high on dessert tables for a colorful display or skewer them for whimsical party treats. These look gorgeous on top of cupcakes or as an extra sweet topping for hot cocoa

Cultural and Historical Context

Homemade marshmallows have been a kitchen project for generations but fluffy varieties like these became especially popular as snacks for American fairs and carnivals. Cotton candy itself dates back to the early 1900s when carnival vendors spun sugar into feather light clouds

Recipe Questions

→ How do I add vibrant colors to the marshmallows?

Use a few drops of gel food coloring during mixing to create pastel or bright hues. Swirl two shades for a tie-dye effect.

→ What flavors work well besides cotton candy?

Vanilla, strawberry, or other favorite extracts can be used instead of cotton candy flavoring for a unique taste.

→ How do I prevent marshmallows from sticking?

Dust the work surface and marshmallows liberally with a mixture of powdered sugar and cornstarch for a non-stick finish.

→ Can I use these marshmallows for toppings?

Absolutely! Enjoy them atop hot chocolate, cakes, or cupcakes for a fun and whimsical garnish.

→ How should homemade marshmallows be stored?

Keep in an airtight container at room temperature for up to one week to maintain their soft texture.

Cotton Candy Marshmallow Treats

Soft, fluffy marshmallows with sweet cotton candy flavor, ideal for parties or topping your favorite desserts.

Prep Time
20 minutes
Cook Time
360 minutes
Total Duration
380 minutes
By Harper: Harper

Recipe Category: Kid-Friendly

Level of Difficulty: Moderately Challenging

Cuisine Style: American

Portion Output: 36 Number of Servings (36 marshmallows)

Dietary Options: Vegetarian-Friendly, No Gluten, Free of Dairy

List of Ingredients

→ Marshmallow Base

01 180 ml cold water, divided
02 21 g unflavored gelatin (3 envelopes, 7 g each)
03 400 g granulated sugar
04 120 ml light corn syrup
05 0.25 teaspoon salt
06 1 teaspoon cotton candy flavoring
07 Gel food coloring, as desired

→ Dusting Mixture

08 65 g powdered sugar
09 30 g cornstarch

How to Prepare

Step 01

Line a 23 × 23 cm baking pan with parchment paper and lightly grease with nonstick spray or oil.

Step 02

Add 120 ml cold water and gelatin to the bowl of a stand mixer. Allow to sit undisturbed for 5–10 minutes to bloom.

Step 03

In a medium saucepan, combine granulated sugar, corn syrup, salt, and remaining 60 ml cold water. Heat over medium, stirring until the sugar dissolves. Increase to medium-high and boil until mixture reaches 115°C, using a candy thermometer.

Step 04

With the stand mixer on low, slowly pour the hot syrup into the bloomed gelatin. Gradually increase to high speed and whip for 10–12 minutes, until thick, glossy, and cooled slightly. Add cotton candy flavoring and desired food coloring; blend until uniform.

Step 05

Spread marshmallow mixture evenly into prepared pan using a lightly oiled spatula. Smooth the surface. Let stand uncovered at room temperature for at least 6 hours or overnight until fully set.

Step 06

In a small bowl, combine powdered sugar and cornstarch thoroughly.

Step 07

Dust a work surface with a portion of the sugar-cornstarch mix. Turn out the set marshmallow slab, peel off parchment, and dust the top. Using a greased knife or cookie cutter, slice into squares or shapes. Roll each piece in remaining dusting mixture for an even coat.

Step 08

Place marshmallows in an airtight container at room temperature for up to 1 week.

Additional Information

  1. Swirl two shades of food coloring for a decorative, tie-dye presentation.
  2. For variation, substitute cotton candy flavoring with vanilla, strawberry, or other extracts.
  3. Ideal as a whimsical topping for hot chocolate, cakes, or cupcakes.

Necessary Tools

  • Stand mixer with whisk attachment
  • Medium saucepan
  • Candy thermometer
  • 23 × 23 cm baking pan
  • Parchment paper
  • Spatula
  • Greased knife or cookie cutters

Nutritional Details (per serving)

Nutritional details are for general reference and shouldn't replace expert consultation.
  • Calorie Count: 70
  • Fat: ~
  • Carbohydrate Content: 17 grams
  • Protein: 1 grams