Black Bean Lasagna

Directions

1. 1
   Preheat oven to 375 degrees.
2. 2
   Over low heat simmer spaghetti sauce, water and beans.
3. 3
   In a small bowl combine ricotta cheese and egg and set aside.
4. 4
   In an 11 x 13 inch pan place one cup of the bean mixture. Cover with 3 pieces of lasagna noodles, then spread about 1/3 of the ricotta over the noodles. Top with 1 cup of the bean mixture, then about 1/2 cup of the mozzarella. Repeat layers twice. Place remaining 3 lasagna noodles and pour the remaining bean mixture over all of it. Top with remaining mozzarella. Sprinkle with parmesan, too if you like.
5. 5
   Cover with foil and bake for 30 minutes. Uncover and continue baking another 15 minutes.
6. 6
   Let stand for 15 minutes before serving.