Preheat oven to 350 degrees

Combine the cake mix, oil, and eggs into a standing mixer fitted with a paddle attachment.

Mix until soft dough forms

Add in Reese baking chips, M&M, and pretzels.

Mix until well combined

Take a small ice cream scoop and scoop some dough onto a parchment paper lined baking sheet, 2 inches apart.

Bake for 8-10 minutes

Once baked, pull the sheet out of the oven and let sit for a minute or two

Transfer to a wire rack and let cool before enjoying.