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M&M Cookie Bars

Packed with colorful M&M'S and mini chocolate chips, these cookie bars are a viral hit and a reader favorite.
Course Dessert
Cuisine American
Keyword Cookie Bars, M&M Cookie Bars
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 18 bars
Calories 317kcal
Cost 10

Ingredients

  • 2 sticks unsalted butter at room temperature
  • 1 cup granulated sugar
  • 1 cup golden brown sugar firmly packed
  • 3 large eggs
  • 1 1/2 teaspoons pure vanilla extract
  • 3 cups all-purpose flour
  • 3/4 teaspoon baking soda
  • 3/4 teaspoon salt
  • 1 1/2 cups M&M's plus more for topping
  • 1 cup mini chocolate chips plus more for topping

Instructions

  • Preheat oven to 350 degrees.
  • Line a 9x13 baking dish with foil, leave some overhang to make removal easier.
  • Spray foil generously with nonstick cooking spray.
  • In the bowl of a stand mixer, beat butter, granulated sugar, and brown sugar together until fluffy.
  • Add in eggs and vanilla extract and continue to beat.
  • Lower speed of mixer and add flour, baking soda and salt and mix until combined.
  • Add M&M's and mini chocolate chips and give a final stir, reserving some M&M's and mini chocolate chips for topping cookie bars.
  • Transfer cookie dough to prepared baking dish.
  • Press additional M&M'S and chocolate chips into top of cookie dough.
  • Bake for 30-35 minutes or until bars are a light golden brown and just set in the center.
  • Let cool completely and cut.

Nutrition

Calories: 317kcal | Carbohydrates: 46g | Protein: 4g | Fat: 13g | Saturated Fat: 8g | Cholesterol: 56mg | Sodium: 253mg | Potassium: 52mg | Fiber: 1g | Sugar: 29g | Vitamin A: 376IU | Vitamin C: 1mg | Calcium: 32mg | Iron: 1mg