01 -
Preheat oven to 175°C (350°F). Grease a 9×13-inch baking dish.
02 -
Whisk pudding mix and milk until smooth. Let sit 5 minutes to thicken.
03 -
Sprinkle dry cake mix evenly in dish. Spread prepared pudding on top. Dust with cocoa powder. Sprinkle chocolate chips and any optional add-ins.
04 -
Bake for 30–35 minutes, until edges are set but center remains gooey. For extra molten texture, bake 5 minutes less.
05 -
Let cool for 10–15 minutes. Serve warm for the best gooey texture.