My mates sister used to think that peanut butter was made in third world countries by starving people who had to chew up peanuts and spit them into a jar.
Tasty.
A childhood belief about nasty food

others believed things like this
- When I was a little boy, I thought that hair was made out of peanut butter.Anon
- I used to believe that peanut butter was lobster poo.— PaulH(nz)
- My daughter thought that ear wax was peanut butter.— Bobbiemac
- i used to believe that the chunks in chunky peanut butter were bugs.— Lauren
- I used to believe that my mother invented peanut butter and jelly sandwiches. Anon
- I thought that barf was what they used to make peanut butter and jelly sandwiches!— Maan o' War