Cook beef in saucepan until browned. Pour off fat. Stir in pasta sauce.
Spread 1 cup beef mixture in each of 2 2-quart shallow baking dishes. Top each with 2 lasagna noodles and 1 cup ricotta cheese mixture. Repeat layers. Top each with 2 lasagna noodles, remaining beef mixture and Parmesan cheese.
Bake at 400 degrees F for 30 minutes or until hot. Let stand 10 minutes.