01 -
Prepare the yellow cake mix as directed on the package using a greased 9×13-inch baking pan. Bake until golden and springy to the touch.
02 -
While still warm, use the handle of a wooden spoon to poke holes at 1-inch intervals across the surface of the cake, pressing down to the bottom.
03 -
Whisk together both pudding mixes with 4 cups of cold milk for about 1 minute until smooth. Work quickly as the pudding sets fast.
04 -
Pour the pudding over the cake, ensuring each hole is filled. Use the back of a spoon to press pudding into the holes for full coverage.
05 -
Refrigerate for at least 2 hours to allow the pudding to set and integrate into the cake.
06 -
Microwave the chocolate frosting for 10–15 seconds until just pourable. It should be smooth but not runny.
07 -
Spread the softened frosting evenly over the chilled cake, starting from the center and working outward.
08 -
Let the frosting set briefly at room temperature, then refrigerate for another 2 hours or overnight for best results.