When I was growing up in a small Welsh town (a long time ago now!) we sometimes had a bowl of sliced green beans for supper or lunch. Just beans. And we called them kidney beans.
When I left home, I soon discovered that what we called kidney beans were, in fact, green beans. People keep telling me that I must be misremembering but I'm definitely not! This wasn't a one off - kidney beans is what we called green beans!
Did anyone else's family do this?