Worth It Lasagna Recipe

In a Dutch oven, bring first five ingredients to a boil. Reduce heat; simmer, uncovered, for 20 minutes or until desired thickness is achieved, stirring often. In a large skillet, cook sausage over medium heat until no longer pink; drain. Stir in raisins and Italian seasoning; add to sauce. In the same skillet, saute mushrooms and onion until moisture has evaporated. Stir into sauce. In a large bowl, combine the eggs, ricotta, spinach and grated Parmesan cheese; set aside. In each of two greased 13-in. x 9-in. baking dishes, layer with 1-1/3 cups sauce, half of a package of ravioli, 1-1/3 cups sauce, 1/4 cup shredded Parmesan cheese, six half slices of provolone cheese, 1 cup Monterey Jack cheese and 2-1/2 cups spinach mixture. Top each with six half slices of provolone cheese, 1 cup Monterey Jack cheese, 1-1/3 cups sauce, remaining ravioli and sauce, 1/4 cup shredded Parmesan cheese, six half slices of provolone cheese, sliced tomatoes and remaining Monterey Jack cheese (dishes will be full). Cover and bake at 375 ° for 45 minutes. Uncover; bake 10-15 minutes longer or until a thermometer reads 160 °. Let stand 15 minutes before serving.