Monster cookies turn every cookie-loving individual into a Cookie Monster. Check out the best Monster Cookie recipe below!


  • 0.5 cup butter (room temperature)
  • 0.5 cup brown sugar
  • 0.25 cup white sugar
  • 0.75 cup creamy peanut butter
  • 1 egg
  • 1 teaspoon vanilla
  • 0.5 teaspoon baking soda
  • 1.25 cups all purpose flour
  • 0.5 cup quick cooking oats
  • 1.5 cup m&ms
  • 0.5 cup chocolate chips
  • 0.5 peanut butter chips


  1. Preheat oven to 350 degrees F.
  2. Combine the butter, brown and white sugars in a large bowl.
  3. Add the peanut butter, stir again.  Add the egg, stir, vanilla stir.
  4. Measure in the baking soda and flour and stir just until combined.
  5. Stir in the oats, m&ms, chocolate chips and peanut butter chips.
  6. Scoop balls about 2 tablespoons onto a cookie sheet lined and greased.
  7. Press down gently as they do not spread on their own.
  8. Bake for 9-10 minutes but no longer.

Recipe modified; originally from Sally’s Baking Addiction.