1 c. lemon juice
3 tbsp. vinegar
3 tbsp. Parmesan cheese
2 tsp. garlic powder
1 tsp. thyme
1 tsp. soy sauce

Marinate chicken in refrigerator for several hours, preferably overnight. A zippy bag works great. Turn a couple of times. Grill meaty side up first, turn often. Makes 1 1/2 cups.