Classic Peanut Butter Cookies

1 cup firmly packed brown sugar
1/2 cup butter, softened
1/2 cup peanut butter
1 egg
1 tsp. vanilla
1 1/2 cups all-purpose flour
1/2 tsp. baking powder
1/2 tsp. baking soda
1/2 tsp. salt
Sugar

Heat oven to 375 degrees.  Combine brown sugar, butter and peanut butter in large bowl.  Beat on medium speed until well mixed.  Add egg and vanilla; continue beating until well mixed.  Reduce speed to low; add flour, baking powder, baking soda and salt.  Beat until well mixed.  Shape dough into 1-inch balls; roll in sugar.  Place 2 inches apart onto ungreased cookie sheet; flatten balls in criss-cross patern with fork dipped in sugar.  Bake for 8 to 10 minutes or until edges are lightly browned. 

Makes four dozen cookies