I remember thinking that to make your toast darker, you had to put in jam sandwich. Through experimentation i can tell you it's not true.
A childhood belief about general

others believed things like this
- I used to believe that eating burnt toast would make your teeth whiter and would brush your teeth for you.— Natasha
- When I was younger I used to believe that the darker your skin was, the dark your shadow would be.— Mary S.
- I used to think that the toast would never pop out of the toaster if you watched it while you were waiting.Anon
- I believed that my mother invented toast.— Helen
- I used to believe that when you put toast in the refrigerator, it turns back into bread. — sambot
- I remember thinking that non-English speakers were much smarter because they could speak "so much faster." Anon