Ingredients
1 spray(s) cooking spray
1 tsp all-purpose flour
4 large egg white(s)
1 cup(s) sugar
1/2 cup(s) mini chocolate chips, semi-sweet
1/2 tsp vanilla extract
Instructions
Preheat oven to 200ºF.
Coat a large baking sheet with cooking spray; coat with a light dusting of flour and shake off excess.
In a large mixing bowl, beat egg whites with an electric mixer until soft peaks form. Gradually add sugar and beat until stiff, glossy peaks form; gently fold in chocolate and vanilla extract.
Drop mixture by heaping tablespoons onto prepared baking sheet about 1 inch apart, making 24 cookies.
Bake until lightly golden and no longer sticky on the surface, about 1 hour. Turn oven off and let cookies sit in oven for 1 hour. Transfer cookies to a wire rack to cool completely. Yields 1 cookie per serving.