I used to think that a head of lettuce was called a head of salad because my mom used to ask me to make the salad for dinner and I thought lettuce was called salad because no one used the word lettuce. I thought this until I was about 11.
A childhood belief about general

others believed things like this
- Croutons are called "Salad cookies"Anon
- I used to believe that cabbage was hot lettuce!!— smell
- I used to believe that cabbage was lettuce that had grown up.— JHR
- When I was little, I used to think that brussel sprouts were midget lettuce.— Jules
- "God is good, God is great, lettuce thank him for our food Amen"— pj
- I used to believe 'three bean salad' was an extremely small entree because it contained only three beans.— queeneve