Brown Sugar Shortbread Puffs

• 1 cup firmly packed brown sugar
• 1 1/4 cup margarine or butter, softened
• 1 teaspoon vanilla
• 1 egg yolk
• 2 1/4 cup all purpose flour

Instructions:
Heat oven to 350 F. In large bowl, beat brown sugar and margarine until light and fluffy. Add vanilla and egg yolk; blend well. Add flour; stir until mixture forms a smooth dough. Drop dough by rounded teaspoonfuls 2 inches apart onto ungreased cookie sheets. Bake at 350 F for 10 to 15 minutes or until lightly browned and set.