Zucchini Mozzarella Casserole
Preheat oven to 350 . Cut zucchini into 1/2-inch slices and thinly slice onion and mozzarella cheese. Cook zucchini and onion slices together in covered skillet in butter or margarine until tender. Add onion salt, oregano and tomato sauce. Pour into a 1-1/2-quart shallow casserole. Top with mozzarella slices. Bake 30 minutes.
Makes 8 servings.