1 cube butter
1/4 c. soy sauce
1 tbsp. ketchup
2 tsp. dry mustard
Garlic salt to taste

Recipe may be cut in half if 4 or less servings.

Simmer or microwave ingredients. Place fish in a pan formed of several layers of foil. Pour sauce over all of the fish and sear on the barbecue for 1 minute each side and then barbecue for 20 minutes. This sauce is great on salmon and halibut.