Homemade Chocolate Marshmallows Source: Adapted from Barefoot Contessa (Printable recipe)

INGREDIENTS

envelopes unflavored gelatin

1 cup

cold water, divided

1 1/2 cups

granulated sugar

1 cup

light corn syrup

1/4 tsp

kosher salt

1/4 cup

unsweetened cocoa powder

1 tbsp

vanilla extract

confectioners' sugar + unsweetened cocoa powder mixed together, for dusting