Wash one cup rice, and steam in White Stock. Cool, and mix with three-fourths cup Thick White Sauce, to which has been added beaten yolk of one egg, slight grating of nutmeg, one-half teaspoon salt, and one-eighth teaspoon pepper. Spread mixture in buttered pan two inches thick, cover with buttered paper, and place weight on top. Let stand until cold. Turn from pan, cut in rounds, remove centres, leaving cases; dip in crumbs, egg, and crumbs, and fry in deep fat. Fill with creamed fish.