1
pound bulk Italian sausage
1
medium onion, chopped (1/2 cup)
3
cans (15 ounces each) Italian-style tomato sauce
2
teaspoons dried basil leaves
1/2
teaspoon salt
2
cups shredded mozzarella cheese (8 ounces)
1
container (15 ounces) part-skim ricotta cheese
1
cup grated Parmesan cheese
15
uncooked lasagna noodles