M&M Cookie Bars

M&M Cookie Bars


In the last month, I have made M&M Cookie Bars 3 times.  I think I have mastered and memorized the recipe.  These are so so good and really make a great dessert to take to any BBQ or pot luck.  I will be taking them for the cookie reception after my daughter's Kindergarten graduation.

M&M Cookie Bars



  • 2 ¼ cup flour
  • 1 teaspoon salt
  • 1 tablespoon baking powder
  • ¾ cup butter softened to room temp
  • ¾ cup granulated sugar
  • ¾ cup packed brown sugar
  • 2 eggs
  • 1 teaspoon vanilla
  • ½ cup M&Ms
  • ½ cup semi sweet chocolate chips
  • 1 cup butterscotch chips


  1. Preheat oven to 350 degrees. Line 9X13 pan with foil and spray with cooking spray.
  2. In a medium bowl, stir together flour, salt, and baking powder. Set aside.
  3. In another medium mixing bowl, beat together sugars and butter until light and fluffy with electric mixer.
  4. Add in eggs and vanilla and mix well.
  5. Stir in flour mixture just until combined.
  6. Fold in M&Ms, chocolate, and butterscotch chips.
  7. Spoon in to greased pan and pat down. It is a thick batter so it won't pour or spread too much.
  8. Bake for 30 minutes.
  9. Cool completely before cutting in to bars.
  10. Enjoy!
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Liked my M&M Cookie Bars? Try the Lime Bars