Whole Wheat Spaghetti with Zucchini and Tomato

Whole wheat spaghetti
3 tablespoons olive oil
course salt and pepper
small red onion cut into thick slices
3 garlic cloves, minced
1 large zucchini cut lengthwise into sticks
2 plum tomatoes cut lengthwise into strips
3/4 cup Parmesan cheese

Boil noodles in salted waterSautee 3 garlic cloves in 2 tablespoons of olive oil for 3 minutesAdd zucchini and 1/2 cup water. Let sit on med. for 10 minutesAdd tomatoes, onions and 1 tablespoon of oil.Salt and pepper to taste.Add cheese.