Chocolate Swirled Peanut Butter Blast Cupcakes The Best Chocolate Cake Ever1 box devil???s food cake mix 1 small pkg Jello instant chocolate pudding mix 1 cup sour cream 1 cup vegetable oil 4 eggs, beaten 1/2 cup milk 1 tsp vanilla 2 cups mini chocolate chipsIn a very large bowl, mix together everything except chocolate chips until well combined.