Hot Ham Barbecues - cooking recipe

Ingredients

2 Tbsp. butter
1 medium onion, chopped
2 Tbsp. vinegar
2 Tbsp. Worcestershire sauce
juice of 1 lemon
1 tsp. prepared mustard
1 bottle ketchup
water (to fill ketchup bottle)
1/2 c. chopped celery
2 lb. chopped or chipped ham

Preparation

Heat onion and celery in butter.
Add the remaining ingredients.
Bring to a boiling point and let simmer about 1 1/2 hours.