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M&M peanut butter cookies

Holly Jolly Peanut Butter Cookies

Peanut butter cookies decorated with Christmas colored M&Ms
Servings 36
Author Cookie Madness


  • 1 cup all-purpose flour 4.5 oz
  • 2/3 cup old-fashioned rolled oats
  • 1 - 1/2 teaspoons baking powder
  • 1/2 teaspoon salt use 1/4 if using salted butter or spread
  • 1 cup crunchy peanut butter
  • 1 stick 4 oz unsalted butter, room temperature
  • 1 cup firmly packed light brown sugar
  • 1/3 cup granulated sugar
  • 1 large egg
  • 1 -1/4 teaspoons vanilla extract
  • 1 cup milk chocolate chips plus another cup of Reese's chips -- optional
  • Handful s of holiday M&Ms


  • Preheat oven to 350°F.
  • Combine flour, oats, baking powder and salt in a bowl and set aside.
  • Cream the peanut butter, butter, and both sugars in large mixing bowl with electric mixer on medium-high speed until fluffy. Beat in egg and vanilla. Using lowest speed of mixer or by hand, stir in the flour mixture.
  • Stir in chocolate chips and peanut butter chips. Form mixture into 1-inch balls. Place 3 inches apart on nonstick baking sheets and flatten with tines of fork in criss-cross pattern. Bake 10 to 12 minutes or until edges are lightly browned and centers are still soft.
  • As soon as you pull the cookies from the oven, scatter holiday M&Ms on top. Cool 1 minute on baking sheet; transfer to wire racks. Cool completely. Makes about 36 cookies depending on what your idea of a 1 inch ball is.