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Chocolate Marshmallows

These are homemade chocolate marshmallows with a melted chocolate swirl. The process involves blooming gelatin, making a hot sugar syrup, and whipping them together until thick. The final marshmallows are dusted with a cocoa and powdered sugar mixture to prevent sticking. This recipe makes a full 9x13 pan.
Prep Time 30 minutes
Cook Time 20 minutes
Setting Time 8 hours
Total Time 8 hours 50 minutes

Ingredients

For the Marshmallows

  • 1 cup Cold Water divided
  • 3 1/2 packets Unflavored Gelatin about 2 1/2 tbsp
  • 1/4 cup Dutch-Processed Cocoa Powder
  • 1 tsp Espresso Powder
  • 2 tsp Vanilla Extract
  • 2 cups Granulated Sugar
  • 2/3 cup Light Corn Syrup
  • 1/2 tsp Kosher Salt
  • 4 oz Bittersweet Chocolate chopped

For the Dusting Powder

  • 1/2 cup Powdered Sugar
  • 1/4 cup Dutch-Processed Cocoa Powder

Instructions

  • Line 9x13 pan with plastic wrap.
  • Pour 1/2 cup cold water in stand mixer bowl, sprinkle gelatin over top to bloom.
  • Whisk cocoa powder, espresso powder, vanilla with 1/4 cup boiling water until paste forms.
  • Combine remaining 1/2 cup water, sugar, corn syrup, salt in saucepan. Heat to 250F without stirring.
  • With mixer on low, break up gelatin. Stream in hot syrup between bowl and whisk.
  • Add chocolate paste. Whip on high 10-12 minutes until thick and glossy.
  • Melt chopped chocolate. Fold into marshmallow mixture once to create swirl.
  • Pour into prepared pan. Spread with oiled spatula.
  • Mix powdered sugar and cocoa. Sift half over marshmallow surface.
  • Let set uncovered 8 hours or overnight.
  • Dust work surface with cocoa mixture. Turn out marshmallow, remove plastic, dust top.
  • Cut into squares with oiled knife. Toss in remaining cocoa mixture.

Notes

Store in airtight container at room temperature up to 2 weeks.