Soft and chewy classic peanut butter cookie bars made with a box of cake mix and filled with Halloween themed M&Ms. All you need is five simple ingredients to make these easy chewy cookie bars. Everyone will love the soft and chewy texture and delicious peanut butter flavors.
The only five ingredients that you need is a box of yellow cake mix, peanut butter, eggs, vegetable oil, and Halloween themed M&Ms. Mix all of the ingredients together until smooth. Press the cookie dough evenly 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 Peanut Butter Halloween M&M 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 Halloween M&Ms
Instructions
- Preheat the oven to 350 F. In a large bowl, mix together cake mix, peanut butter, eggs, and vegetable oil until smooth. Fold in the M&Ms.
- Evenly press the cookie dough into a greased 8-inch square baking dish. Bake for 20-25 minutes.
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