ingredients:

• 3 egg whites
• 1/8 teaspoon cream of tartar
• 1/2 teaspoon vanilla extract
• 2/3 cup white sugar
• 1 tablespoon unsweetened cocoa powder
• 1/3 cup semisweet chocolate chips

instructions:

1. Preheat oven to 300 degrees F (150 degrees C).
2. Combine egg whites, cream of tartar, and vanilla. Beat until the whites form soft peaks.
3. Slowly add sugar; beat until stiff peaks form, and mixture becomes glossy.
4. Fold in cocoa and chocolate chips.
5. Drop mixture by teaspoonfuls on to a greased cookie sheet. Bake for 25 to 30 minutes.