01 -
Preheat oven to 350°F (175°C). In a large bowl, blend chocolate cake mix, instant pudding mix, and milk until fully combined. Fold in mini chocolate chips.
02 -
Transfer batter evenly into a greased 9x13-inch baking pan. Bake for 35 to 40 minutes, or until a toothpick inserted in the center comes out clean.
03 -
Allow the cake to cool completely. Using the handle of a wooden spoon, poke evenly spaced holes across the cake surface.
04 -
Pour the warmed hot fudge sauce over the cake, allowing it to fill the holes.
05 -
Spread whipped cream or whipped topping evenly over the cake. Sprinkle with crushed Oreos or chocolate cookie crumbs. Garnish with additional chocolate chips or cookies if desired.
06 -
Refrigerate the cake for at least 1 hour to allow the layers to set. Serve chilled or warm according to preference.