Ingredients

The following ingredients have 9 Servings
  • 12 tbsp. 1 1/2 sticks unsalted butter
  • 1 c. brown sugar
  • 1/2 c. granulated sugar
  • 1 large egg
  • 1 large egg yolk
  • 2 1/2 tsp. vanilla extract
  • 2 1/4 c. all-purpose flour
  • 3/4 tsp. coarse kosher sea salt
  • 1/2 tsp. baking soda
  • 1 1/4 c. M&M's (divided)

Instruction

  • Preheat oven to 325 degrees. Line an 9x13-inch metal baking pan with parchment paper, set aside.
  • In a microwave safe mixing bowl, add the butter. Melt on half powder for 1-2 minutes or until almost melted. Whisk to completely melt.
  • Add sugars, egg, egg yolk and vanilla extract. Beat mixture by hand for 30 seconds. Let the batter rest for 30 seconds then beat again for 30 seconds.
  • Add flour, salt, and baking soda. Using a rubber spatula, mix until combined. Fold in 1 cup of M&M's.
  • Transfer dough into the prepared baking pan. Using the spatula, spread the dough into an even layer. Sprinkle remaining 1/4 cup of M&M's on top.
  • Place in the oven and bake for 20-25 minutes or until the cookie bars are set. Remove from the oven and allow to cool in the pan for 20 minutes before cutting and serving.