INGREDIENTS
1 1/4 lb
Italian sausage
1
onion, finely chopped
2
garlic cloves, minced or pressed
1 15 ounce container
ricotta cheese
2
egg whites
2 cups
shredded mozzarella cheese, divided
1 cup
Parmesan cheese, divided
1/2 tsp
oregano
2
jars spaghetti sauce
1
box uncooked ziti pasta
1/4 tsp
chopped parsley