1 cup chopped onion2 garlic cloves, minced15 1/2 ounce jar spaghetti sauce1 can Italian peeled tomatoes (dice, if preferred)2 teaspoons Italian seasonings2 tablespoon grated Romano cheese9 uncooked lasagna noodles16 ounce container ricotta cheese1 package chopped spinach3 cups shredded mozzarella cheese1/4 cup grated Romano cheese