1 lb. ground beef
1 c. onions, chopped
1/2 c. green peppers
1 tbsp. vinegar
1 tbsp. brown sugar
1/2 tsp. dry mustard
1 c. water
1 (14 oz.) bottle catsup

Brown the hamburger then add the onions and green peppers. Mix in the vinegar, brown sugar, dry mustard, catsup, and water. Cook on medium until thickened.