combine Ricotta cheese 1 cup Mozzarella cheese 14 cup Parmesan cheese and eggs In 13 x 9-inch baking dish spread 12 of one jar of pasta sauce Layer 4 uncooked noodles then 12 jar of pasta sauce and 12 of the Ricotta cheese mixture repeat Top with remaining 4 uncooked noodles and rest of pasta sauce Cover tightly with aluminum foil and bake 1 hour Remove foil and sprinkle remaining cheeses Bake uncovered an additional 10 minutes Let stand 10 minutes before serving