1 (18.25 ounce) package Dr Pepper Snack Mix
1 recipe Dr Pepper Popcorn Mixture
Preheat oven to 350 degrees F (175 degrees C).
Using a large spoon, spoon Dr Pepper Snack Mix and Dr Pepper Popcorn Mixture into a 12 inch springform pan. Pour batter over cake.
Bake in the preheated oven for 25 to 30 minutes, or until a toothpick inserted into the center of the cake comes out clean. Cool completely before cutting into 1/4 inch squares.