Buckaroo Bar-b-q Sauce

1 each Onion -- boned, cook & sliced
1/2 cup Celery
2 tbs. Fat
2 tbs. Brown Sugar
2 tbs. Mustard
1 tbs. Worcestershire Sauce
1 cup
1/2 cup Catsup
1 each Tomato Sauce

Cook onions and celery in hot fat till soft and yellow. Add remaining ingredients; Mix thoroughly. Makes 2 cups, enough to barbeque 4 lbs. spareribs.