Preheat oven to 350°F. In a medium bowl, whisk together flour, baking soda, baking powder ... well combined. Beat butter until light and fluffy, gradually adding white sugar. Beat in brown sugar ... then mix in peanut butter. Add vanilla and butter ... the M&M's, if desired.
Ingredients: 13 (almonds .. candies .. eggs .. flour .. salt .. schnapps ...)