1 lb. ground beef
1 sm. onion, chopped
3 tbsp. brown sugar
1 tsp. mustard
1/4-1/2 c. ketchup
1/2 tsp. Tabasco sauce

Brown hamburger (season to taste); drain; add onion and brown sugar. Heat until sugar has melted; mix well. Stir in mustard, ketchup and Tabasco. Season to taste. Spoon onto hamburger bun.