Easy Slow Cooker Lasagna

Combine ricotta cheese, 1 ½ cups mozzarella cheese, 2 tablespoons Parmesan cheese, parsley, and egg in a bowl; set aside.

Brown meat in a large skillet; drain. Stir in spaghetti sauce and water.

Spoon 1 cup meat sauce into a slow cooker; top with ½ noodles (broken to fit) and ½ ricotta mixture. Add 2 cups meat sauce; top with remaining ½ noodles (broken to fit), remaining ½ ricotta mixture, and remaining meat sauce. Cover slow cooker with lid.