Heh. That reminds me of "chocolate soup", that is a thinner, milkier (and warm) chocolate pudding that my mom would sometimes make as a sweet main dinner dish (rather than just having chocolate pudding as a dessert). My favorite soup as a kid. :D

Incidentally German doesn't really have a word for "cereal". There's muesli of course, and you can say "Frühstücksflocken" (breakfast flakes) or "Getreideflocken" (grain flakes) if you don't want to be as specific as "cornflakes", "rolled oats" or brand names, but no "cereal" as in "having cereal for breakfast". (The only place I've ever seen "Cerealien" as a foreign word was in ads trying to sell some sugary concoction as healthy but it is not in everyday use.)