1 1/2 lb. ground chuck
1 c. fresh bread crumbs
1 medium onion, chopped
1 1/2 tsp. salt
1/4 tsp. pepper
1 egg, beaten
1/2 c. tomato sauce
2 tbsp. vinegar
2 tbsp. mustard
3 tbsp. brown sugar
1/2 c. catsup
1 1/2 tsp. Worcestershire sauce
1/2 c. water

Lightly mix the first 6 ingredients. Form loaf and bake at 350°F. Combine while it's starting to bake the last 7 ingredients. Pour sauce over meat loaf.

Bake 1 1/2 hours, basting often.