1 18.25 oz. pa chocolate or yellow cake mix
3 2.1 oz. Butterfinger Candy Bar chopped, divided
1 12 oz. container prepared chocolate or vanilla frosting
PREHEAT oven to 350° F. Grease or paper-line 12 muffin cups.
PREPARE cake mix batter according to package directions; stir in 1/2 cup Butterfinger. Spoon into prepared muffin cups.
BAKE for 15 to 25 minutes or until wooden pick inserted in cupcake comes out clean. Cool completely. Frost; sprinkle with remaining Butterfinger.