1 lb. ground beef
1/2 c. chopped onion
5 tbsp. ketchup
1 tbsp. mustard
2 tbsp. sweet relish
6 hamburger buns, split and toasted

In medium skillet, cook ground beef and onion until meat is brown and onion is tender. Drain off any fat. Stir together ketchup, mustard, and relish. Add to hamburger and onion mixture. Simmer about 10 minutes, stirring occasionally. Spoon into hamburger buns.