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Santa's Favorite Monster Cookies
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4.96 from 47 votes

Santa's Favorite Monster Cookies

Monster Cookies with a Christmas twist!
Prep Time10 mins
Cook Time15 mins
Course: Dessert
Cuisine: American
Keyword: christmas, christmas cookies, cookies, monster cookies
Servings: 25 cookies
Author: Star @ the skinny-ish dish


  • 1 cup sugar
  • 1 cup light brown sugar (packed)
  • 1 stick unsalted butter (room temp! not melted and not warmed up in the microwave)
  • 3 large eggs
  • cups peanut butter (chunky or smooth - do not use all natural)
  • 1 tbsp vanilla
  • 2 tsp baking soda
  • 1/2 tsp salt
  • tsp cinnamon
  • cups old fashioned oats
  • 1 cup (total) mixture of mini green and red m&ms and peanut butter green and red m&m's. *You can have all of one or the other. It's up to you. The mixture makes them extra yummy.*
  • 1 cup (total) semi sweet mini chocolate chips and white chocolate chips *You can have all of one or the other. It's up to you. The mixture makes them extra yummy.*
  • extra m&m's and chocolate chips to stick into the cookie for it to "look prettier" after they are done baking. *optional


  • Preheat oven to 350°F. Line baking sheet with parchment paper.
  • In a bowl cream together white and brown sugar with the butter until combined well and light and fluffy.
  • Beat eggs in one at a time and then beat in peanut butter, vanilla, cinnamon, baking soda, and salt until combined.
  • Add in the oats and mix together until combined well.
  • Stir in m&m's and chocolate chips.
  • Scoop 3 tablespoon sized cookie mounds onto cookie sheet and space them about two inches apart otherwise they will run into each other.
  • Bake the cookies for 12 minutes then remove them from the oven and allow them to cool for at least 10 minutes on the cookie sheet before moving them to a cooling rack to finish cooling.
    *The key to most cookie baking is having them almost under baked a bit when removing from the oven and slowly finish "baking" just enough while on the cookie sheet. The perfect texture!!