Go Back

Monster Cookie Bars

Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 12 pieces
Calories 350
Deliciously chewy and loaded with chocolate, peanut butter, and M&Ms, these cookie bars are perfect for satisfying your sweet tooth.

Ingredients

Dried ingredients

  • 4 pieces eggs
  • 1.5 cups sugar
  • 1 cup brown sugar
  • 3/4 teaspoon salt
  • 1 tablespoon pure vanilla extract
  • 2 cups peanut butter (creamy or crunchy)
  • 5 tablespoons butter (at room temperature)
  • 2.5 teaspoons baking soda
  • 18 ounces old-fashioned rolled oats
  • 1 cup M&Ms
  • 1/2 cup semisweet chocolate chips
  • 1/2 cup peanut butter chips

Instructions 

  • Preheat oven to 350°F (175°C). Butter a large baking sheet and set aside.
  • Mix eggs and sugars until combined. Add salt, vanilla, peanut butter, and butter; mix until smooth.
  • Stir in baking soda and oats, then fold in M&Ms, chocolate chips, and peanut butter chips.
  • Spread batter evenly in prepared pan and press down. Bake for 16-22 minutes until edges are golden.
  • Cool in pan before slicing into bars and serving.

Notes

For best results, press the batter firmly into the pan before baking.
Calories: 350kcal
Cost: $15
Course: Dessert
Cuisine: American
Keyword: cookie bars