Gluten Free Christmas Candy - Homemade Mocha Marshmallows

Ingredients

• 1 cup water, divided
• 2½ tablespoons unflavored gelatin (3 1/4 ounce packets)
• 2 large egg whites
• 2 cups (14 ounces) granulated sugar
• 1/2 cup light corn syrup
• 1/4 teaspoon table salt
• 1 tablespoon vanilla extract
• 2/3 cup (2 ⅔ ounces) confectioners’ sugar
• 1/3 cup (1½ ounces) cornstarch
• 1/4 cup unsweetened cocoa powder
• 2 tbsp unsweetened cocoa powder (this is used separately)
• 2 tbsp instant espresso powder