Smoked Cheese and Sausage Lasagna

                A delicious lasagna made with smoked cheese, sausage, and a flavorful tomato sauce.
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                Categories: pasta lasagna

                Ingredients

                • 3 tablespoons olive oil, divided
                • 1 pound Italian sweet sausages, casings removed
                • 2 ounces sliced prosciutto, chopped
                • 2 cups chopped onions
                • 1 celery stalk, chopped
                • 3 garlic cloves, chopped
                • 1 teaspoon dried oregano
                • 1/4 teaspoon dried crushed red pepper
                • 2 tablespoons tomato paste
                • 1 28-ounce can Italian-style tomatoes in juice, drained (juice reserved), tomatoes chopped
                • 2 tablespoons chopped fresh basil
                • 12 10x2-inch lasagna noodles
                • 1 15-ounce container whole-milk ricotta cheese
                • 2 cups (packed) coarsely grated smoked mozzarella cheese, divided
                • 1 large egg
                • Olive oil for brushing
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                Instructions

                1. Heat 1 tablespoon olive oil in large saucepan over medium-high heat. Add sausage; sauté until browned, breaking up with fork, about 6 minutes. Add prosciutto; stir 1 minute. Transfer mixture to bowl.
                2. Heat 2 tablespoons oil in same pan over medium-high heat. Add onions and next 4 ingredients. Sauté until tender, about 5 minutes. Stir in tomato paste. Add tomatoes with reserved juice, basil, and sausage mixture. Reduce heat; simmer until sauce thickens, stirring occasionally, about 45 minutes. Season with salt and pepper. DO AHEAD Can be made 1 day ahead. Cover and refrigerate.
                3. Cook noodles in large pot of boiling salted water until just tender but still firm to bite. Drain. Arrange in single layer on baking sheet. Stir ricotta and 1 1/2 cups mozzarella in bowl. Season with salt and pepper; mix in egg.
                4. Brush 13x9x2-inch glass baking dish with oil. Spread 1 cup tomato sauce evenly over bottom. Arrange 3 noodles atop sauce. Spread 3/4 cup cheese mixture over noodles. Spoon 1 1/2 cups sauce over cheese. Repeat with noodles, cheese and sauce 2 more times. Cover with 3 noodles. Spread 1/3 cup sauce over. Sprinkle with remaining 1/2 cup mozzarella.
                5. Preheat oven to 350°F. Bake lasagna, covered with foil, until heated through, about 40 minutes. Uncover and bake until heated through, about 15 minutes longer. Let stand 10 minutes. Cut and serve.