Baked Ziti
["1/2 lb. ziti-shaped pasta", "1/2 c. grated Parmesan cheese", "3 c. shredded Mozzarella cheese", "1 lb. Ricotta cheese", "3 c. bottled spaghetti sauce"]
["Preheat oven to 350\u00b0. Cook ziti in boiling water until al dente (still a little firm).", "Drain and place in a large bowl."]
["pasta", "Parmesan cheese", "Mozzarella cheese", "Ricotta cheese", "spaghetti sauce"]