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Christmas M&M Peanut Butter Bar Cookies
3 from 2 votes

Christmas M&M Peanut Butter Bar Cookies

Yummy and gooey peanut butter bar cookies with festive Christmas M&M's!
Print Recipe
Prep Time:10 mins
Cook Time:35 mins
Total Time:45 mins


  • 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


  • Preheat oven to 350° degrees.
  • Cream the butter, peanut butter, and sugars until creamy and well mixed, approximately 5 minutes.
  • Add the eggs and blend till combined.
  • Add the baking powder and salt and mix till combined. Then add flour and mix till just combined.
  • Add the bag of Holiday M&M's and mix on slow till evenly dispersed.
  • 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.
Course: Dessert
Cuisine: American
Keyword: bar cookie, cookie, peanut butter
Servings: 20 cookie bars