Directions:

In large skillet or pot, saute onion in hot oil until crisp-tender. Add zucchini, tomatoes, salt, bay leaf, pepper, basil and oregano. Simmer covered for 15 minutes; uncover and simmer 10 minutes longer. Discard bay leaf.

Meanwhile, cook spaghetti as directed on package; drain.

Serve spaghetti topped with zucchini sauce and grated Parmesan cheese.