1 lg. onion, sliced
2 cloves garlic, minced
1/2 c. vegetable oil
1 c. beer
1/2 c. lemon juice
2 tbsp. brown sugar
1 tbsp. Worcestershire sauce
Sirloin steak

Cook onion and garlic in 1/4 cup oil until tender. Remove from heat. Add remaining ingredients except meat. Place meat in shallow baking dish, pour marinade over. Cover, refrigerate 6 hours or overnight, turning occasionally. Grill, basting with marinade.