01 - Heat the oven to 350°F. Grease a 9-by-13-inch baking dish.
02 - Blend the milk and dry pudding powder in a mixing bowl. Stir in the dry cake mix, working through any powder pockets.
03 - Distribute the chopped candy through the thick batter. Spread it across the prepared dish.
04 - Bake for approximately 25 minutes. Test the cake portion in the center with a skewer; continue baking if wet batter clings to it.
05 - Cool before dividing into 20 small servings.