1 lb. ground beef
1 c. celery, cut up
1/2 c. onion, chopped
1 tbsp. brown sugar
2 tbsp. vinegar
1/2 tsp. dry mustard
3/4 c. ketchup
2 tbsp. flour
6 sandwich buns

Put the beef in the skillet. Stir and brown it over medium heat. Pour off the fat. Add the celery, onion, brown sugar, vinegar, mustard and ketchup. Sprinkle the flour on the mixture. Stir to mix well. Simmer about 20 minutes. Cut buns in half and put them together with the beef mixture in between. Makes 6 sandwiches.