Step 1

Brown meat in large skillet; drain. Return meat to skillet; stir in pasta sauce and water.

Step 2

Combine egg, ricotta, parsley, 1-1/2 cups mozzarella and 2 Tbsp. Parmesan.

Step 3

Spoon 1 cup meat sauce into slow cooker sprayed with cooking spray; top with layers of half each of the noodles (broken to fit) and cheese mixture. Cover with 2 cups meat sauce. Top with remaining noodles (broken to fit), cheese mixture and meat sauce. Cover with lid.

Step 4

Cook on LOW 4 to 6 hours or until liquid is absorbed. Sprinkle with remaining cheeses; let stand, covered, 10 min. or until melted.