M&M Cookie Bars

M&M Cookie Bars are a colorful and cheerful treat that combines classic cookie dough with the fun and crunch of M&M candies. These bars are ideal for parties, are popular with both children and adults, and are an excellent way to add color to any dessert table. The recipe is simple and enjoyable to prepare, with a delightful chewy texture packed with chocolatey goodness in each bite.



  • 2 cups all-purpose flour
  • 1/2 tsp baking soda
  • 1/2 tsp salt
  • 3/4 cup unsalted butter, melted
  • 1 cup packed brown sugar
  • 1/2 cup granulated sugar
  • 1 tbsp vanilla extract
  • 1 egg
  • 1 egg yolk
  • 1 1/2 cups M&M candies
  • 1/2 cup chopped nuts (optional)


  1. Preheat Oven and Prepare Pan:
  • Preheat your oven to 325°F (165°C).
  • Line a 9×13 inch bak ing pan with parchment paper or lightly grease it.
  1. Combine Dry Ingredients:
  • In a small bowl, sift together flour, baking soda, and salt; set aside.
  1. Mix Butter and Sugars:
  • In a larger bowl, mix the melted butter, brown sugar, and granulated sugar until well blended.
  1. Add Eggs and Vanilla:
  • Beat in the vanilla, egg, and egg yolk until light and creamy.
  1. Combine with Dry Ingredients:
  • Mix in the sifted ingredients until just blended.
  1. Stir in M&Ms and Nuts:
  • Fold in the M&M candies and nuts, if using.
  1. Spread the Dough:
  • Spread the cookie dough evenly into the prepared pan.
  1. Bake:
  • Bake in the preheated oven for 25-30 minutes or until the edges are lightly toasted.
  • Cool in the pan on a wire rack.
  1. Serve:
  • Cut into bars and serve either warm or at room temperature.

These M&M Cookie Bars go great with a cold glass of milk or a cup of coffee. For an extra special treat, top them with a scoop of vanilla ice cream. They’re also great on a dessert platter with brownies and cupcakes for a variety of textures and flavors.