Soft and chewy peanut butter oatmeal cookie cups made with a box of cake mix, and filled with Reese’s pieces candies. Everyone will love the soft and chewy peanut butter cookie texture of the cups and the delicious peanut butter and Reese’s pieces flavors.
The cookie dough is made by mixing all of the ingredients together until smooth. Evenly divide the cookie dough between a paper lined muffin pan and bake until each cookie cups comes out clean with a toothpick.

Cake Mix Peanut Butter Oatmeal Reese's Pieces Cookie Cups
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. Line a 12 cup muffin pan with paper liners. In a large bowl, mix together cake mix, oats, peanut butter, eggs, and vegetable oil until smooth. Fold in the Reese's pieces.
- Evenly divide the cookie dough between the paper liners. Bake for 12-15 minutes.
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