8 oz. lasagne
1 lb. ground beef
1 lg. jar spaghetti sauce
15 oz. ricotta cheese
12 oz. mozzarella cheese
1/4 c. Parmesan cheese
1 egg

Cook lasagne according to package directions. Brown ground beef; drain. Add spaghetti sauce to beef and simmer. Mix ricotta cheese, egg, mozzarella cheese and Parmesan cheese.

In casserole dish alternate layers of meat sauce, noodles and cheeses. Top with meat sauce. Cook at 350 degrees for 35 minutes in oven or microwave on high power for 12-15 minutes.