A recipe for making salmon croquettes – V Cook together two tablespoonfuls of butter and one of flour. Add one cupful of milk and cook until thick, stirring constantly. Add a small can of flaked salmon, pepper and salt to season, and three eggs well beaten. Reheat, but do not boil. When it thickens, take from the fire, and cool. When cold, shape into croquettes, dip in egg and crumbs, and fry in deep fat.