01 -
Combine the cake mix following box directions, then stir in the sour cream and chocolate chips.
02 -
Put the mixture in a 9 x 13 pan and bake according to the time on your cake mix package.
03 -
Take it out and while still warm, use a wooden spoon handle to poke several holes throughout the cake.
04 -
Keep 5 tablespoons of caramel aside and dump the rest into the holes you made in the cake.
05 -
Stick the cake in your fridge to cool for at least half an hour.
06 -
Cover the cold cake with vanilla frosting, scatter the crushed Butterfinger pieces on top, and finish with a drizzle of your saved caramel.
07 -
Cut into pieces and enjoy right away.