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Christmas M&M Peanut Butter Bar Cookies

Christmas M&M Peanut Butter Bar Cookies

Yummy and gooey peanut butter bar cookies with festive Christmas M&M's!

Course Dessert
Cuisine American
Keyword bar cookie, cookie, peanut butter
Prep Time 10 minutes
Cook Time 35 minutes
Total Time 45 minutes
Servings 20 cookie bars


  • ½ cup butter softened
  • cup peanut butter creamy
  • 1 cup sugar
  • 1 cup brown sugar
  • 3 eggs
  • 1 tsp vanilla
  • 2 tsp baking powder
  • ¼ tsp salt
  • 2 cups flour
  • 1 bag Holiday M&M's 10 ounce


  1. Preheat oven to 350° degrees.

  2. Cream the butter, peanut butter, and sugars until creamy and well mixed, approximately 5 minutes.

  3. Add the eggs and blend till combined.

  4. Add the baking powder and salt and mix till combined. Then add flour and mix till just combined.

  5. Add the bag of Holiday M&M's and mix on slow till evenly dispersed.

  6. Put your cookie batter into a 9x13 buttered dish and bake at 350 for 35-40 minutes, until the center is set and the edges are lightly browned.