9 long no-boil lasagna noodles 1 tabls. olive oil 1 large onion, chopped 4 clove garlic minced 1 pound sausage, casings discarded 2 26-ounce jars meatless spaghetti sauce 1 15-ounce container low-fat ricotta cheese 1/4 cup plus 2 tbls. chopped fresh basil, divided 2 cups shredded part-skim mozzarella 1/4 cup grated parmesan cheese