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The best monster cookie recipe on the planet.

Monster Cookie Recipe

These cookies are simple to make, hearty and filling, and will bring a smile to your lips!

Course Dessert
Keyword Sweet
Prep Time 15 minutes
Cook Time 10 minutes
Servings 2 dozen


  • 1/2 cup butter
  • 1 1/4 cup brown sugar
  • 1 cup granulated sugar
  • 2 eggs
  • 1/2 cup peanut butter
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt
  • 1 1/4 cup oats
  • 1 cup oat flour (grind oats in blender to product flour)
  • `1/2 cup M&M
  • 1/2 cup Reese's Pieces
  • 2 chocolate bars, chopped


  1. Preheat oven to 350

    Cream butter and sugars together.

    Add in egg, peanut butter, and vanilla.

    In separate bowl combine oats, oat flour, baking soda, and salt.

    Combine wet and dry ingredients.

    Gently mix in candy.

    Scoop onto cookie sheets.

    These cookies do not spread much so cookies can be placed closely.

    Bake 8-10 minutes. These cookies should still be soft and just slightly brown on the bottom.