Beat butter and peanut butter with electric mixer on med to high speed for 30 secs. Add the granulated sugar, brown sugar baking soda, baking powder. Beat until combined, scraping sides of bowl.Beat in the egg an vanilla until combined. Beat in as much of the flour as you can with the mixer. stir in the remaining flour. if nessacery. cover an chill dough until easy to handle.
Preheat oven to 375degrees f. Shape dough into 1-inch balls.Roll ballsin additional granulated sugar to coat. place balls 2 inches apart on a ungreased cookie sheet. flattenby making criss-crossmarkes with the tines of a fork. bake for 7 to 9 min or until bottoms are light brown. ummmmmmmm