Valentine Thumbprint Cookies Ingredients 2/3 cup soft butter 1/2 cup sugar 1/4 cup unsweetened cocoa powder 1/4 teaspoon baking soda 1/8 teaspoon salt 1 egg 1 teaspoon vanilla 1 and 1/4 cups all-purpose flour LOTS of sprinkles!! I used Valentine themed sprinkles-sold in Michaels! Regular sprinkles would be cute too! (Or both!!!!!!!) 20 (or however