The lasagna with the second layer half finished. On the right is the sauce lying over the first layer of pasta. On the left, the sauce is covered with ricotta cheese and topped with portabello mushrooms.

The ricotta cheese/mushroom layering has been finished. A second layer of pasta has been laid down and covered with sauce. The sauce has been topped with shredded mozarella. The lasagna is now completed and ready for the oven.