Oatmeal Peanut Butter Cookies

½ cup granulated sugar

½ cup packed brown sugar

½ cup peanut butter

½ cup butter, softened

1 large egg

1 ¼ cups all-purpose flour

¾ teaspoon baking soda

½ teaspoon baking powder

¼ teaspoon salt

1 cup old fashioned rolled oats

½ cup roasted salted or unsalted peanuts, chopped