Corned Beef au Gratin

Process: Scald milk with onions and celery. Melt butter in sauce-pan, add flour and stir to a smooth paste. Strain celery and onion from milk; add milk to butter, and flour gradually while stirring constantly, season with salt if necessary, add paprika and bring to boiling point. Add corned beef; mix well and turn into a buttered baking dish. Cover with buttered crumbs. Bake in hot oven until mixture is heated through and crumbs are browned.