store-bought or homemade pound cake, cut into 1/2" cubes ... Top with one-quarter of whipped cream, then another layer of cake, compote, and whipped cream. Repeat twice for 12 layers.
Or you can doctor up store-bought pound cake with homemade custard cream ... This could be custard, mousse, instant pudding, or even fresh whipped cream. (Note that you can add a layer of cream ...