Vegetarian lasagna is one of my favorite dairy dishes. Golden brown and bubbling, the finished casserole yields a heavenly commingling of alternating layers of pasta, tomato sauce, sautéed vegetables and melted cheeses—a dairy dish sure to please both young and old alike.
Heat 2 tablespoons of the olive oil in a skillet and sauté the onions and shallots for 5 to 10 minutes or until they are translucent. Add the mushrooms and cook over medium heat for 5 to 10 minutes or until most of the liquid has evaporated. Add the balsamic vinegar and cook until most of it has evaporated. Season with salt and pepper.
Rinse the spinach in cold water. Place in a large pot with ¼ teaspoon salt and only the water still clinging to the leaves, and cook over moderate heat for about 5 to 6 minutes until the spinach is wilted and soft. Place in a colander and press the spinach to drain the liquid. Heat the remaining 2 tablespoons of olive oil in a large skillet and sauté the garlic until golden on both sides. Remove the garlic and chop. Add the drained spinach to the skillet with the garlic flavored olive oil, season with salt and pepper, and sauté several minutes until the spinach is
wilted and has lost most of its moisture. Remove from the heat, add the chopped garlic and mix well.
In a medium bowl, combine the ricotta cheese, mozzarella (reserve two tablespoons to sprinkle on top), Parmesan cheese (reserve two tablespoons to sprinkle on top), parsley, eggs and salt and pepper to taste.
Spread about ½ cup of tomato sauce on the bottom of a 13” by 9” baking pan and layer the ingredients in the following manner: Place three to 4 strips of lasagna noodles on the bottom of the pan. Spread half of the cheese mixture on top of the noodles. Now place half of the spinach mixture on top of the cheese, and then spread half of the mushroom mixture on top of the spinach. Pour about 1 and ½ cups of tomato sauce on top of the layers and spread evenly. Repeat the layering starting with the noodles and ending with a layer of noodles. Spread about 1 cup of tomato sauce on top of the final noodle layer, then sprinkle with the reserved mozzarella and Parmesan cheeses.
Bake in a preheated 375 degree oven for about 25 minutes or until the cheeses are golden brown and bubbly. Allow the lasagna to rest for about 10 minutes before serving.
Notes: *I like to use whole wheat lasagna noodles if available