1 jar (24 ounces) Prego® Fresh Mushroom Italian Sauce
6 uncooked lasagna noodles
1/4 cup water
Stir the ricotta cheese, spinach and 1 cup mozzarella cheese in a medium bowl.
Spread 1 cup sauce in a 2-quart shallow baking dish. Top with 3lasagna noodles and half the spinach mixture. Repeat the layers. Top with the remaining sauce. Slowly pour water around the inside edges of the baking dish. Cover.
Bake at 400°F. for 40 minutes. Uncover the dish. Sprinkle with the remaining mozzarella cheese. Bake for 10 minutes or until it's hot and bubbling. Let stand for 10 minutes.
Tip: To thaw the spinach, microwave on HIGH for 3 minutes, breaking apart with a fork halfway through heating.