Oatmeal Jumbos

1 cup peanut butter
1/2 cup butter, room temperature
1 1/2 cups packed brown sugar
1/2 cup sugar
1 1/2 teaspoons baking powder
1/2 teaspoon baking soda
3 eggs
2 teaspoons vanilla
4 cups oatmeal
3/4 cup chopped walnuts
1 1/2 cups m&m's candies

In mixing bowl, beat peanut butter and butter (with mixer) 30 seconds. Add sugars, baking powder and baking soda; beat until combined. Beat in eggs and vanilla. Stir in oats and then nuts. Hand mix in the m&m's.
Drop by cookie scoop 2 inches apart onto ungreased cookie sheets. Bake at 350 degrees for 15 minutes or until done. Cool for about 1 minute. Transfer to cooling rack.