1 stick butter
1/2 c. brown sugar
1/2 c. granulated sugar
1 tsp. vanilla
1 egg
1 tsp. baking powder
1 c. flour
1 c. oats or peanut butter or chocolate chips or raisins

Cream together butter, sugars, vanilla and egg. Add rest of ingredients. Drop 1 teaspoon per cookie on cookie sheet. Bake at 325-350 for 12 minutes.