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M&M Cookie Bars Recipe

Lil' Luna
These sweet and chewy M&M Cookie Bars will be your new favorite! They are perfectly crisp on the outside and soft on the inside.
5 from 9 votes
Prep Time 8 mins
Cook Time 20 mins
Total Time 28 mins
Course Dessert
Cuisine American
Servings 12
Calories 312 kcal


  • 1/2 c butter
  • 1 c brown sugar
  • 1 egg
  • 1 tsp vanilla
  • 1 c flour sifted
  • 1/2 tsp baking powder
  • 1/2 tsp salt
  • 1/8 tsp baking soda
  • 1 c Regular M&M's
  • 1/2 c mini M&M's


  • Preheat the oven to 350°F and spray a 9x9 inch baking pan.
  • Melt the butter in a microwave safe bowl.
  • The add the butter to a mixing bowl along with the brown sugar, egg and vanilla. Mix well.
  • Add the dry ingredients to the bowl and mix well. Then, pour the mixture into the baking pan.
  • Evenly top with the M&M's. Bake for 20-25 minutes.


Calories: 312kcalCarbohydrates: 44gProtein: 3gFat: 14gSaturated Fat: 9gCholesterol: 38mgSodium: 206mgPotassium: 62mgFiber: 1gSugar: 34gVitamin A: 314IUVitamin C: 1mgCalcium: 60mgIron: 1mg
Keyword M&M Cookie Bars
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