1 lb. ground beef
1 c. onion, chopped
1/2 c. catsup
1/2 c. chili sauce
2 tbsp. prepared mustard
1 tsp. salt
1 dash of pepper
Hamburger buns

In skillet, brown ground beef and onion with salt and pepper. Drain. Add remaining ingredients and simmer 30 minutes. Serve in buns.