Preheat oven to 375 Cut peppers in half lengthwise Remove stems rubs and seeds Heat oil in a large skillet over medium heat swirling to cover bottom Saut crookneck squash zucchini onion and garlic until zucchini is tender-crisp about 4 minutes Dont overcook In a medium bowl combine rice and cheese Gently stir into skillet Stuff pepper halves with vegetable mixture Place in a 9-inch casserole dish Carefully pour tomato sauce around peppers Bake uncovered for 30 minutes Serves 8