|Soy sauce||1 Cup (16 tbs)|
|Vinegar||1⁄2 Cup (8 tbs)|
|Pineapple juice||1⁄2 Cup (8 tbs)|
|Firmly packed brown sugar||1⁄2 Cup (8 tbs)|
|Garlic powder||1 Teaspoon|
Combine all ingredients in a saucepan; bring to a boil, stirring frequently.
Place desired cut of lamb or beef in a shallow dish; pour marinade over meat.
Cover and marinate for at least 4 hours, turning meat occasionally.
Baste meat with marinade during grilling.