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4.3 from 165 votes

How to Make Marshmallow Fluff

With only 5 simple ingredients, you can have this homemade Marshmallow Fluff recipe ready in under 30 minutes! So light and fluffy!

Prep Time
10 mins
Cook Time
10 mins
Total Time
30 mins
Servings: 6 cups
Calories: 227 kcal
Course: Dessert
Cuisine: American

Ingredients

  • 1/3 cup water
  • 3/4 cup granulated sugar
  • 3/4 cup light corn syrup
  • 3 large egg whites room temperature
  • 1/2 teaspoon cream of tartar
  • 1 teaspoon vanilla extract

Instructions

    Cup of Yum
  1. Combine the water, sugar, and corn syrup in a medium heavy bottom saucepan fitted with a candy thermometer. Place over medium-high heat.
  2. Do not stir, the mixture will bubble.
  3. Place the egg whites and cream of tartar in the bowl of a stand mixer fitted with the whisk attachment or a large mixing bowl using an electric hand mixer with whisk attachment. Whip the egg whites to soft peaks, approximately 3-4 minutes.
  4. When the sugar syrup reaches 240·°F, remove the heat and very slowly and in a steady stream, pout the sugar mixture into the egg whites while on medium speed. If you are using a hand mixer, you might need a set of extra hands.
  5. When it is fully combined, continue to whisk, increasing the speed to medium-high. The mixture will first deflate, but will thicken back up. Continue to whip for 7-8 minutes, then whisk in the vanilla.
  6. Allow the mixture to cool completely before using. Store in an airtight container at room temperature for up to 2 weeks.
  7. If you've tried this recipe, come back and let us know how it was in the comments or star ratings!

Notes

  • Make sure the bowl and whisks are grease and liquid free. You can even wipe them down with pain white vinegar, lemon juice or wiping alcohol if you allow enough time for the liquid to dry.

Nutrition Information

Calories 227kcal (11%) Carbohydrates 58g (19%) Protein 2g (4%) Fat 0.2g (0%) Sodium 52mg (2%) Potassium 68mg (2%) Sugar 58g (116%) Calcium 7mg (1%) Iron 0.04mg (0%)

Nutrition Facts

Serving: 6cups

Amount Per Serving

Calories 227

% Daily Value*

Calories 227kcal 11%
Carbohydrates 58g 19%
Protein 2g 4%
Fat 0.2g 0%
Sodium 52mg 2%
Potassium 68mg 1%
Sugar 58g 116%
Calcium 7mg 1%
Iron 0.04mg 0%

* Percent Daily Values are based on a 2,000 calorie diet.