Scoop out spaghetti from 1/2 cooked squash. Add 1 cup grated Cheddar cheese, 1 cup grated zucchini, 1 cup tomato sauce, 1/4 teaspoon each salt and pepper, 1/8 teaspoon basil leaves, dash garlic powder. Mix well - spoon back into empty shell - sprinkle on 2 tablespoons Parmesan cheese. Bake at 350 degrees for 20 minutes.