Whiteys - Barbara Seng

⅓ cup melted margarine                   
¾ cup sugar                                         
2 eggs                                                    
1 tsp vanilla
¾ cup flour
½ tsp baking powder
6oz pkg peanut butter chips

Mix margarine, sugar, eggs and vanilla.  Add dry ingredients.  Stir in chips.  Spread into a well greased 8x8 pan and bake at 350º for 25-30 minutes