Cook pasta per package directions. Drain and pour into a wide serving bow l. In a nonstick skillet over medium-high heat, heat olive oil, add red peppe rs, onion, and mushrooms, and cook until tender, about 5 minutes. Add zucchini and garlic; cook until zucchini is tender. Add tomatoes, tomato paste, garlic salt, sugar, lemon juice, basil, oregano, Italian seasoning, and pepper. St ir until tomato mixture comes to a boil, about 5 minutes, and then cover and si mmer for 10-15 minutes.. Serve Chunky Vegetable Sauce over pasta. Serve sprinkled with Parmesan ch eese if desired.