Gluten-Free Chocolate Angel Food Cake Recipe | King Arthur Baking

Ingredients

• 2/3 cup (104g) King Arthur Gluten-Free All-Purpose Flour
• 1/3 cup (28g) unsweetened cocoa, Dutch-process or natural
• 1/4 cup (35g) cornstarch
• 1 1/2 cups plus 2 tablespoons (310g) King Arthur Baker's Special Sugar, divided*
• 1/2 teaspoon espresso powder or 1/4 teaspoon almond extract, optional
• 1/2 teaspoon baking powder
• 1 1/2 cups (360g) large egg whites (from 10 to 12 eggs), at room temperature
• 1/4 teaspoon table salt
• 1 1/2 teaspoons cream of tartar