1/2 cup thickly sliced zucchini
1 cup sliced red, yellow or green bell pepper (or mixed)
1/2 cup sliced yellow squash
1/2 cup sliced red onion
16-20 large fresh button mushrooms
16-20 cherry tomatoes
1/2 cup olive oil
1/2 cup garlic soy sauce
1/2 cup lemon juice
Place the zucchini, bell pepper, squash, red onion, mushrooms, and tomatoes in a large bowl.
In a small bowl, mix together olive oil, soy sauce, and lemon juice.
Pour over the vegetables.
Place in a covered container and marinate in the refrigerator for 30 minutes to an hour.
Preheat grill, then turn down to medium heat.
Remove vegetables from marinade, and place on the grill.
Cook for 12 to 15 minutes, brushing with marinade, until tender.