Oatmeal Peanut Butter Bars

As much as I love fancy desserts, there is just something so comforting about a thick, delicious cookie bar. These bars are rich and flavorful and are always a hit with my friends and family. Enjoy!


24 bars


  • 2 cups all-purpose flour
  • 1 cup old fashioned oats
  • ½ teaspoon baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • ¾ cup (1½ sticks) Challenge Unsalted Butter, melted
  • 1½ cups brown sugar
  • 2 eggs
  • 2 teaspoons vanilla
  • 1 package (8 oz.) mini peanut butter cups, chopped (about 1½ cups)
  • ½ cup chocolate chips


  • 1
    Prepare a 9"x13" baking pan by lining with parchment paper (on the bottom and up at least two sides, leave a little overhang for pulling out the bars once they're baked).
  • 2
    Preheat oven to 350°F
  • 3
    In a large bowl, combine the flour, oats, baking powder, baking soda and salt, stir and set aside.
  • 4
    In the bowl of an electric mixer, blend together the melted butter and sugar.
  • 5
    Add eggs and vanilla and continue to beat until well combined.
  • 6
    While blending, slowly add the bowl of dry ingredients.
  • 7
    Add chopped mini peanut butter cups and chocolate chips and blend just until combined.
  • 8
    Scoop batter into the prepared pan, and use an offset spatula to smooth out.
  • 9
    Bake in preheated oven for 25-30 minutes, or until light golden brown and the center is set.
  • 10
    Allow to cool before cutting or removing from pan. Keep bars stored in an airtight container up to 5 days.

Recipe By

Glorious Treats

Glory Albin is a wife, mother, and also a few other things... a baker, crafter, photographer, floral designer, and an obsessive party planner. She loves color, design, and sweets... and really loves bringing all three of those things together! Visit her blog at: