Sweet Potato "Fettuccine" Lasagna - Mann's Fresh Vegetables

Ingredients

• <ul>
• <li>1 (10 ounces) package Mann’s Sweet Potato &#8220;Fettuccine&#8221;</li>
• <li>2 teaspoons vegetable oil</li>
• <li>1 cup shredded mozzarella cheese, divided</li>
• <li>1 pound ground Italian turkey sausage</li>
• <li>4 tablespoons grated Parmesan cheese, divided</li>
• <li>1 cup chopped onion</li>
• <li>1 egg, beaten</li>
• <li>2 teaspoons salt</li>
• <li>2 ¼ cups prepared chunky-style Italian pasta sauce, divided</li>
• <li>1 (15 ounces) container ricotta cheese</li>
• <li>1 (10 ounces) package frozen spinach, thawed and squeezed dry</li>
• </ul>