Baked Ziti and Summer Veggies

INGREDIENTS

• 4 ounces uncooked ziti
• 1 tablespoon olive oil
• 2 cups chopped yellow squash
• 1 cup chopped zucchini
• 1/2 cup chopped onion
• 2 cups chopped tomato
• 2 garlic cloves, minced
• 1 cup (4 ounces) shredded part-skim mozzarella cheese, divided
• 2 tablespoons chopped fresh basil
• 2 teaspoons chopped fresh oregano
• 3/4 teaspoon salt, divided
• 1/8 teaspoon crushed red pepper
• 1/4 cup (2 ounces) part-skim ricotta cheese
• 1 large egg, lightly beaten
• Cooking spray