In a large saucepan, melt the butter. Add the flour, paprika, mustard and nutmeg and continue cooking for 1 minute, stirring constantly. Slowly whisk in the milk. Bring to a boil, stirring constantly. Simmer for 2 minutes. Add the cheese and stir until melted. Season with salt and pepper. Add the macaroni and hot pepper sauce, stirring to coat. Adjust the seasoning. If necessary, thin with a small amount of milk.
Topping
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