1. In saucepan, melt butter over medium heat; cook onion and ham until onion is softened, about 5 minutes. 2. Add flour; cook, stirring, for 1 minute. 3. Gradually whisk in milk; cook, whisking, until thick enough to coat back of spoon, about 8 minutes. 4. Add mustard, salt, pepper and cayenne. 5. Stir in Cheddar cheese just until melted. 6. Meanwhile, in large pot of boiling salted water, cook macaroni for about 8 minutes or until tender but firm. Drain and return to pot. 7. Add sauce and stir to combine. Pour into 8-inch (2 L) square glass baking dish. 8. In small bowl, combine bread crumbs with Parmesan cheese; sprinkle over macaroni mixture. Broil until browned, about 3 minutes. ---------------------------------------------------------------------------
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Ingredients