In 25 cm skillet over medium high heat, cook beef until browned, stirring to separate meat. Spoon off fat. Add spaghetti sauce, heat through, stirring occasionally. In 2 litre oblong baking dish, spread 1- half cups meat mixture. Top with 3 uncooked lasagna noodles, half of the ricotta cheese and half of the mozzarella cheese. Repeat layers. Top with remaining meat mixture. Slowly pour water around inside edges of baking dish. Cover tightly with foil. Bake at 375 degrees (f) for 45 minutes. Uncover; bake 10 minutes more. Let stand 10 minutes before serving.
~ Makes 8 main dish servings.