4 med. tomatoes, quartered
4 yellow squash, sliced
1 med. onion, sliced
1 tsp. basil
1/2 tsp. salt
1/8 tsp. pepper
2 tsp. butter

Place vegetables on a large piece of heavy duty foil; sprinkle with basil, salt and pepper; dot with butter. Fold foil edges over and wrap securely; place on grill. Cook over medium coals 20-25 minutes, turning after 10 minutes.