Peanut Butter Chocolate Chip Cookies

½ cup butter                                     1 ½ cups flour
½ cup brown sugar                          1 tsp baking soda
½ cup sugar                                       1 tsp salt
1 egg                                                   ½ tsp vanilla      
½ cup peanut butter                        2 tsp baking powder
1 pkg mini chocolate chips

                                                                                                               

Preheat oven to 350F.  Cream brown sugar, sugar, peanut butter and butter together on medium speed.  Mix in egg and vanilla.  Reduce speed to low and gradually mix in dry ingredients.  Drop on an ungreased cookie sheet by spoonful.  Bake for 8 minutes.