Easy Monster Cookie Recipe

Easy Monster Cookie Recipe

Cookie week continues at our house with this easy monster cookie recipe. here is another favorite festive cookie Jamie makes every year.

These cookies are made with oatmeal and peanut butter and there is no flour added. These cookies will be gluten-free only if you use the gluten-free oatmeal.

Jamie makes these festive by using the red and green M&Ms. These cookies are a treat any time of the year and oh! so easy to make.

Making Monster Cookies

Tyler is helping by rolling the mixture into large balls and placing them on the cookie sheet lined with parchment paper.

Easy monster cookie mix

On the cookie sheet and ready for the oven. Tyler used about 2-heaping tablespoons each to rolls these out.

Easy Monster Cookie Recipe:


1 stick butter (8 tablespoons softened)
1-1/2 cups peanut butter creamy or crunchy
3 large eggs
1-1/4 cups light brown sugar
1 cup white sugar
1/2 teaspoon salt
2 teaspoons baking soda
1 teaspoon vanilla extract
4-1/2 cups old-fashioned oat or quick oats 
1 cup M&Ms
1- 11.5oz. chocolate chips


  1. In a large bowl add eggs, brown sugar, and white sugar.  Mix well, using a hand or stand mixer.
  2. Add baking soda, vanilla, salt, peanut butter, and butter. Mix until you have a creamy mixture.
  3. Now add oatmeal, M&Ms, and chocolate chips. Stir until combined you'll have a sticky dough.
  4. Use heaping tablespoons to form balls and place them 2-inches apart on a parchment lined cookie sheet.
  5. Bake at 350 degrees on center rack for 8-10 minutes.
  6. Let the cookies cool on the cookie sheet for a couple of minutes. the move them to a rack to cool.

Festive Monster Cookies

These monster cookies are cooling right out of the oven. The recipe yielded about 3 to 4 dozen cookies depending on how large you make them.

As always thanks for stopping by and I hope you enjoy!


  1. These are great cookies Sam! I opt for M&M's. I especially love them baked in the cookies when they are first out of the oven and still warm.

    1. I'm certainly with you on this Cynthia. I'm right there as soon as they come out of the oven!! Thanks!


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