Barbecue Sandwich Filling - cooking recipe

Ingredients

1/4 c. chopped onion
1 c. catsup
1/2 c. water
2 Tbsp. brown sugar
1/2 Tbsp. mustard
2 Tbsp. vinegar
3 Tbsp. Worcestershire sauce
2 tsp. celery seed
salt and pepper to taste
2 lb. hamburger

Preparation

Taken from the Burnett Book of Household Receipts, printed 1886, fifth edition.