The recipe calls for a cup of chopped 'walnuts'.
The banana bread has 'walnuts' in it.
a table made of 'walnut'
(..) So I'll remove him from your mind forever this way. I'll put my hands so... ...one on each side of your head... ...and I'll smash your skull between them like a walnut. And that'll block him out. Take your hands off me, you drunken fool. You know I've always admired your spirit, my dear. (..)1939 Gone with the Wind