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Cake Mix Peanut Butter Oatmeal Reese's Pieces Cookie Bars

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Ingredients
  

  • 1 ( 15 oz.) box yellow cake mix
  • 1 cup quick oats
  • 1/2 cup peanut butter
  • 2 large eggs
  • 1/2 cup vegetable oil
  • 1 cup Reese's pieces

Instructions
 

  • Preheat the oven to 350 F. In a large bowl, mix together cake mix, oats, peanut butter, eggs, and vegetable oil until smooth. Fold in the Reese's pieces.
  • Press the cookie dough into a greased 8-inch square baking dish. Bake for 20-25 minutes.