This document provides a recipe for baked macaroni and cheese. It calls for elbow macaroni, butter, flour, milk, onion, mustard, paprika, egg, cheddar cheese, salt, and breadcrumbs. The instructions are to make a roux with butter and flour, then add milk to create a béchamel sauce. The sauce is tempered with an egg before adding most of the shredded cheese and cooked macaroni. The mixture is baked with a breadcrumb topping and served.