Lasagna - cooking recipe

Ingredients

3 c. Ricotta cheese
3 c. shredded Mozzarella cheese
3/4 c. grated Parmesan cheese
2 eggs
1 lb. ground beef
1 jar spaghetti sauce or homemade gravy
12 cooked lasagna noodles

Preparation

Mix Ricotta, Mozzarella, 1/2 cup Parmesan and eggs.
Brown beef, stirring to separate meat.
Pour off fat.
Stir in sauce (gravy).