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["In 12 inch nonstick skillet, melt 1 tablespoon butter on medium heat.", "Add mushrooms, onion and garlic and cook until mushrooms are lightly browned, stirring occasionally (8 minutes).", "Set aside.", "In 4-quart saucepan, melt remaining butter on medium.", "Whisk in flour and cook 1 minute.", "Gradually whisk in milk and broth until well blended.", "Cook until sauce thickens and boils, stirring frequently.", "Boil 2 minutes.", "Set sauce aside.", "While sauce is being created, preheat oven to 375 degrees F.", "Pour 1/2 cup sauce in bottom of 8""x8"" baking dish and arrange 2 noodles over sauce, overlapping to fit.", "Top evenly with half of spinach, half of turkey then 1/2 cup sauce.", "Sprinkle with 1/4 cup Parmesan.", "Top with 2 noodles, mushroom mixture, 3/4 cup mozzarella then 1/2 cup sauce.", "Top with 2 noodles, remaining spinach and turkey, then 3/4 cup sauce and 1/4 cup Parmesan.", "Arrange remaining noodles on top.", "Spoon remaining sauce over noodles to cover.", "Sprinkle with remaining mozzarella and Parmesan.", "Cover baking dish with aluminum foil, sprayed with non-stick baking spray side down.", "Bake lasagna 30 minutes.", "Remove foil and bake until hot and bubbly in the center and lightly browned on top (15-20 minutes).", "Let stand 15 minutes for easier serving."]
