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How to Make Marshmallow Fluff

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Elevate your desserts with this homemade Marshmallow Fluff recipe that’s light, fluffy, and ready in just 30 minutes! With only five simple ingredients, you can create a delightful treat perfect for spreading on toast, topping hot chocolate, or adding to your favorite desserts. Say goodbye to store-bought and hello to a dreamy marshmallow experience!

Ingredients

Scale
  • 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

  1. In a medium heavy-bottom saucepan, combine water, sugar, and corn syrup. Heat over medium-high without stirring until it reaches 240°F.
  2. While the syrup cooks, whip egg whites and cream of tartar in a stand mixer or with an electric hand mixer until soft peaks form (about 3-4 minutes).
  3. Once the syrup reaches 240°F, carefully pour it into the whipped egg whites in a steady stream while mixing on medium speed.
  4. Increase speed to medium-high and continue whipping until thickened (7-8 minutes). Add vanilla extract and mix briefly.
  5. Allow the fluff to cool completely before using. Store in an airtight container at room temperature for up to 2 weeks.

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