Lasagna Rolls

Total Time: 1 hr 20 mins Preparation Time: 40 mins Cook Time: 40 mins

Ingredients

• Servings: 6
• 2 tablespoons unsalted butter
• 4 teaspoons all-purpose flour
• 1 1/4 cups whole milk
• 1/4 teaspoon salt
• 1/8 teaspoon ground black pepper
• 1 pinch ground nutmeg
• 1 (15 ounce) container whole milk ricotta cheese
• 1 (10 ounce) package frozen chopped spinach, thawed, squeezed dry
• 1 cup grated parmesan cheese
• 2 tablespoons grated parmesan cheese
• 3 ounces thinly sliced prosciutto, chopped
• 1 large egg, beaten to blend
• 3/4 teaspoon salt, plus more for salting water
• 1/2 teaspoon fresh ground black pepper
• 1 -2 tablespoon olive oil
• 12 uncooked lasagna noodles
• 2 cups marinara sauce
• 1 cup shredded mozzarella cheese (about 4 ounces)

Recipe

• 1 to make the sauce: melt the butter in a heavy medium saucepan over medium-low heat. add the flour and whisk for 3 minutes. whisk in the milk. increase the heat to medium-high. whisk the sauce until it comes to a simmer and is thick and smooth, about 3 minutes. whisk the salt, pepper, and nutmeg into the bechamel sauce.
• 2 preheat the oven to 450 degrees f.
• 3 whisk the ricotta, spinach, 1 cup parmesan, prosciutto, egg, salt, and pepper in a medium bowl to blend.
• 4 add a tablespoon or 2 of oil to a large pot of boiling salted water. boil the noodles until just tender but still firm to bite. drain. arrange the noodles in a single layer on a baking sheet to prevent them from sticking.
• 5 butter a 13-by-9-by-2-inch glass baking dish. pour the bechamel sauce over the bottom of the prepared dish. lay out 4 lasagna noodles on a work surface, then spread about 3 tablespoons of ricotta mixture evenly over each noodle. starting at 1 end, roll each noodle like a jelly roll. lay the lasagna rolls seam side down, without touching, atop the bechamelsauce in the dish. repeat with the remaining noodles and ricotta mixture. spoon 1 cup of marinara sauce over the lasagna rolls. sprinkle the mozzarella and remaining 2 tablespoons of parmesan over the lasagna rolls. cover tightly with foil. bake until heated through and the sauce , about 20 minutes. uncover and bake until the cheese on top becomes golden, about 15 minutes longer. let stand for 10 minutes. meanwhile, heat the remaining marinara sauce in a heavy small saucepan over medium heat until hot, and serve alongside.