Chocolate-Coconut Angel Cupcakes

Ingredients (10)

• 6 large egg whites, room temperature
• 2/3 cup all-purpose flour
• 1/4 cup baking cocoa
• 1/2 teaspoon baking powder
• 1-1/3 cups sugar, divided
• 1 teaspoon almond extract
• 1/2 teaspoon cream of tartar
• 1/4 teaspoon salt
• 1 cup sweetened shredded coconut
• Confectioners' sugar, optional