3 med. zucchini squash
1 tbsp. salad oil
8 oz. tomato sauce
8 oz. sliced Mozzarella cheese
1 med. onion, thickly sliced
1/2 - 1 tsp. crushed oregano

Saute onion in oil. Cut squash in half lengthwise. Add squash, cut side up. Sprinkle with salt and pepper. Sprinkle on oregano; pour in tomato sauce. Cover and cook about 10 minutes in skillet or until squash is tender. Top with cheese slices. Sprinkle with oregano if desired.