1/2 c. olive oil
1/4 c. lemon juice
1 tbsp. Worcestershire sauce
1 tbsp. soy sauce
2 tbsp. wine vinegar
1 clove garlic, finely chopped
5-6 slices onion
1/2 tsp. oregano

Marinate 2-4 hours. Cook chicken breasts 10-12 minutes on BBQ. Put chicken pieces on skewer alternating with pepper, mushrooms and tomatoes. Cook on BBQ.