pre~heat oven to 350.

With electric mixer beat butter and peanut butter until combined, about 30 sec. Add the sugars, baking soda, baking powder and beat until combined. Add vanilla and egg.

Stir in the flour. Dough will be thick and need to chill for an hour or so.

Roll dough and place them few inches apart on cookie sheet. Butter the tines of a large fork and use it to press cookies flat.

Bake for 10 min or until brown around the edges. Remove from cookie sheet to cool.