Ingredients
2 cups flour
1/2 cup unsweetened cocoa powder
1 cup powdered sugar
1 cup butter
1 teaspoon vanilla
Preparation
Mix ingredients in food processor or mixer. Dump on a sheet of wax paper, cover with another sheet, and roll to a thickness of about 1/4-inch. Bake on ungreased cookie sheet for 20-25 minutes at 300 degrees.