I have a recipe from my Grandmother which dates at least to the 1940's and probably earlier than that. She lived in central Ohio all of her life, so it may have originated there. I also have one other version that is very similar, but with some variations, which came from a friend of hers.
It is called Jamboree Sandwich or I've heard it called Jamboree Mix. It is a sandwich spread made from ground beef or ground beef and ground pork, celery, onion, tomato soup and sometimes eggs, and crushed crackers. It is mixed together and baked slowly in the oven.
Has anyone else heard of this? Can you tell me more about it's origins or if you have any other variations?