I used to believe that hummus - the food, it's sort of corn yoghurt - was actually rotting vegetation.
I think I was thinking of "humus".
A childhood belief about nasty food

others believed things like this
- I used to beleive that corn was pigs teeth. And when it was corn on the cob, I thought it was the jaw.— Brianna
- My mate used to believe that the lids of yoghurt pots were poisonous, and to this day won't ever lick one.Anon
- I remember thinking that the "Nude Furniture" store was some sort of naughty place. — Texas Rocky
- I used to believe that if I pumped in my sleep and breathed it in I would turn into a rotting turnip!— Quako
- I used to think that when you died, you would be awake trapped in your coffin rotting for all eternity!— Trapped in the Coffin
- When I was really young I used to think that dead bodies wouldn't start rotting until they were buried.— Katherine