3 tbsp. butter
1/3 c. minced onion
1 c. catsup
1/3 c. vinegar or lemon juice
2 tbsp. brown sugar
1/2 c. water
2 tsp. mustard
2 tbsp. Worcestershire sauce
1/8 tsp. salt

Saute onion in butter. Add rest of ingredients. Cook 10 minutes covered. Baste chicken or pork chops.