1 c. ketchup
1 sm. onion, chopped fine
2 tsp. Worcestershire sauce
1/4 c. brown sugar
2 tbsp. vinegar
2 c. chipped, chopped ham or beef

Mix together all ingredients except meat. Cook on high in microwave oven for 2 to 4 minutes, or cook on medium hot stove for 10 to 15 minutes. Add meat and stir well.