Chocolate Chip Cloud Cookies

Bahan-bahan (30 porsi)

• 1/2 cup egg whites (from room temperature eggs (from 3 to 4 large fresh cracked eggs)*)
• 1/8 tsp cream of tartar
• 1/2 cup sugar
• 1 teaspoon vanilla extract
• 2 tbsp unsweetened cocoa powder
• 1 cup chocolate chips (or chunks)