Lasagna - cooking recipe

Ingredients

1 lb. ground beef
1 small onion
1 jar spaghetti sauce
1 pkg. lasagna noodles
Ricotta cheese
Mozzarella cheese

Preparation

Brown ground beef and onion; add spaghetti sauce.
Cook until hot.
Starting with meat sauce mixture, layer meat sauce, noodles, Ricotta cheese, 1 cup water, meat sauce, noodles, meat sauce and 1/2 cup water.
Cover with waxed paper and aluminum foil; bake at 325\u00b0 for 1 1/2 hours.
During last 5 minutes, uncover and add Mozzarella cheese.