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Monster Cookies

Giant chewy peanut butter oatmeal cookies topped with colorful M&M candies.

Course Dessert
Cuisine American
Keyword cookies with M & M's, Monster cookies, peanut butter cookies
Prep Time 20 minutes
Cook Time 12 minutes
Servings 72 large cookies
Calories 240 kcal
Author Janet Barton

Ingredients

  • 1 cup butter
  • 3 cups peanut butter
  • 2 cups sugar
  • 2 cups brown sugar
  • 1/2 tablespoon corn syrup
  • 6 eggs
  • 4 teaspoons baking soda
  • 1 1/2 teaspoons vanilla
  • 9 cups oatmeal old-fashioned
  • 1 1/2 cups chocolate chips
  • 2 lbs. M & M's plain (or candy-coated chocolate pieces)

Instructions

  1. Preheat oven to 350 degrees. Spray cookie sheets with nonstick spray or line cookie sheets with nonstick parchment paper or silpat liners. Set aside.

  2. In a large mixing bowl blend butter and peanut butter.  Add sugar and brown sugar until smooth for 2-3 minutes.   Mix in eggs, corn syrup, and vanilla.  Stir in baking soda.  Add oats and chocolate chips.   

  3. Using a medium-sized ice cream scoop, drop cookie dough onto an ungreased or parchment-lined cookie sheet. Flatten the dough slightly with your fingertips.  Place a handful of M&M's on top of each cookie pressing into the dough.

  4. Bake for 10-12 minutes or until barely browned.  Let cool on the cookie sheet for 5-6 minutes before transferring it to a cooling rack.

Recipe Notes

NOTES:

  • This is a huge recipe and makes 72 large cookies.  The recipe can be easily cut in half.  For smaller cookies use 2 tablespoons of dough.  Form into a ball and place on a prepared cookie sheet.
  • For gluten-free cookies be sure to use gluten-free oatmeal.
  • I use old-fashioned rolled oats because I love the chewy texture.  Quick-cooking oats can be used as well.  
  • M&M's can be substituted with any candy-coated chocolate pieces or omitted altogether.
  • If using a large-size ice cream scoop bake for 14-16 minutes.

 

Nutrition Facts
Monster Cookies
Amount Per Serving (1 cookie)
Calories 240 Calories from Fat 117
% Daily Value*
Fat 13g20%
Saturated Fat 5g25%
Trans Fat 0.1g
Polyunsaturated Fat 2g
Monounsaturated Fat 4g
Cholesterol 23mg8%
Sodium 147mg6%
Potassium 95mg3%
Carbohydrates 29g10%
Fiber 1g4%
Sugar 23g26%
Protein 4g8%
Vitamin A 135IU3%
Vitamin C 0.1mg0%
Calcium 35mg4%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.