1 to 1 1/2 lbs. ground beef
1 tsp. salt
1/2 c. catsup
2 tbsp. mustard
2 tbsp. Worcestershire sauce
Few drops liquid smoke
2 tbsp. brown sugar

Brown ground beef and salt; add remaining ingredients and simmer a few minutes before serving.

Note: You can add chopped onion to hamburger while browning, if you would like to.