Peanut butter cookies recipe

1/2 cup granulated sugar
1/2 cup brown sugar
1/2 cup peanut butter
1/4 cup shortening
1/4 cup margarine softened
1 egg
1 1/4 cup flour
3/4 teaspoon baking soda
1/2 teaspoon baking powder
1/4 teaspoon salt
Instructions:
Mix sugars, peanut butter, shortening, margarine, and egg. Stir in remaining ingredients.