Lasagna

1 Lb ground beef
1 jar of Prego (the biggest one 4 lbs 3 oz)
1 package uncooked lasagna noodles
1 pound mozzarella cheese
1/2 C Parmesan (optional)

Brown hamburger and drain well. Add sauce. Layer in a 13 X 9 pan: Sauce 1st, just enough to cover the bottom of the pan, then noodles, then sauce mixture, then mozzarella. Keep layering, ending with the sauce and cheese. You should have about 3 to 4 layers of the lasagna noodles. Cover tightly with foil. Bake at 350* for about 1 1/2 hours. Uncover and sprinkle with Parmesan.