Sprinkle the cake mix into the bottom of a lightly greased 9x13 inch baking dish, then cover with the instant pudding mix. Use a fork or a spoon to spread the mix evenly along the bottom of the dish.
Whisk the cooled melted butter into the milk, then pour evenly over the cake/pudding mix. Gently give it a little mix - you don't want to mix it fully, just enough that the milk is able to reach the mix on the bottom of the baking dish.
Sprinkle the chocolate chips evenly over the top and bake in a preheated oven at 350℉ for 30 to 35 minutes.
Notes
Calories are automatically generated. For best results calculate based on your exact ingredients.Recipe Notes:
Give the cake a gentle stir after pouring in the milk so the liquid reaches the bottom—do not fully mix.
Either a standard or family-size instant chocolate pudding mix works, you want between 3 - 6 ounces.
Bake just until set; the center should stay slightly fudgy.
Serve warm with vanilla ice cream or whipped cream!