Slopy Joe's

* 1-1 1/2 pounds ground beef
* 2 or 3 celery stalks, chopped
* 1 can tomato soup
* 1/2 can of water
* About 3 or 4 tablespoons ketchup
* About 2 or 3 tablespoons brown sugar
* About 2 or 3 tablespoons vinegar

Preparation:
Brown ground beef and celery. Add remaining ingredients, bring to a boil, then simmer for about 10 minutes. (Add enough water to bring it to the thickness you want.) Serve on buns with sliced cheese, if desired.