Chopped parsley Prepare lasagna according to package directions, drain to medium bowl, combine ricotta, spinach, 1/2 cup mozzarella, parmessan and eggs; mix well in 15 x 9 inch baking dish. Layer 2 cups sauce, half the lasagna, half the remaining sauce, all of the spinach mixture, half the remaining mozzarella, remaining lasagna, and sauce. Cover. Bake in a 350 degree oven until bubbly about 45 minutes. Uncover. Top with remaining mozzarella and parsley. Bake 15 minutes. Let stand 10 minutes before serving. Refrigerate leftovers. 12 to 15 servings.