We used to have this kind of stuff lying around my house (the cards, not the food thank god).
They were always in bright orange translucent plastic containers, and no one ever seemed to know where they came from.
Anyway, go visit http://www.candyboots.com/wwcards.html to see some more horrors like the “Melon Mousse” and “Rosy Perfection Salad” pictured below…
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I suppose they could work to make you lose weight in that no sane person would ever eat something that looked like that… =P