1 1/2 lbs. ground beef
1/2 c. onions, chopped fine
1 green pepper, chopped fine
1 egg, beaten
1/2 tsp. salt
6 slices canned pineapple
1 can tomato sauce
2 tsp. brown sugar
2 tsp. vinegar
1/2 tsp. dry mustard
6 hamburger buns, split & toasted

Combine beef, green pepper, eggs, salt. Makes 6 patties. Press pineapple slice hard into each pattie. Brown quickly each side in skillet. Pour off fat. Pour balance of ingredients over patties. Brown 10 minutes, covered. Serve on buns.