1 (16 ounce) pkg. rotini (or similar pasta)
2 tsp. olive oil
1 (28 ounce) jar spaghetti sauce
1 cup ricotta cheese
1/4 cup Parmesan cheese
6 ounces mozarella cheese, shredded
Cook pasta according to package directions; drain. Combine pasta and olive oil in a large bowl; toss lightly. Add spaghetti sauce to bowl and mix well. Spread 1/2 pasta mixture in a greased 9 x 13 baking dish.
In a small bowl mix egg, ricotta, and Parmesan. Spread over pasta.
Sprinkle 1/2 of mozarella cheese over top. Spread remaining pasta mixture. Sprinkle remaining mozzarella cheese over pasta. Bake in preheated 350 degree oven until heated through and cheese is bubbly, about 20 minutes.