Soft and chewy classic peanut butter cookie bars made with a box of cake mix and filled with chopped up Reese’s peanut butter cups. These easy chewy cookie bars make the perfect easy treat to enjoy for just about any holiday or occasion.
The only five ingredients that you need is a box of yellow cake mix, peanut butter, eggs, vegetable oil, and chopped up Reese’s peanut butter cups. Mix all of the ingredients together until smooth. Evenly press the cookie dough into a greased square baking dish. Bake until the center of the cookie bars comes out clean with a toothpick. Let cool completely before cutting into bars and serving.
Cake Mix Reese's Peanut Butter Cup Cookie Bars
Ingredients
- 1 ( 15 oz.) box yellow cake mix
- 1/2 cup peanut butter
- 2 large eggs
- 1/2 cup vegetable oil
- 1 cup chopped Reese's peanut butter cups
Instructions
- Preheat the oven to 350 F. In a large bowl, mix together cake mix with peanut butter, eggs, and vegetable oil until smooth. Fold in the chopped peanut butter cups.
- Evenly press the cookie dough into a greased 8-inch square baking dish. Bake for 20-25 minutes.
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