Preheat oven to 375 degrees F.
In large mixing bowl, combine butter and both sugars until creamy. Add egg and vanilla and blend to combine. Add peanut butter and mix until smooth.
In separate bowl, mix all remaining ingredients. Stir into butter mixture to form cookie dough.
Spoon tablespoons and roll into balls. Place onto non-stick cookie sheet. Using a fork flatten cookoies in a crisscross patter. Bake for 10 minutes.