Fricassee of Chicken ( Mrs. Gratz Brown ).
Sauté a chicken (cut into pieces) with a little minced onion, in hot lard. When the pieces are brown, add a table-spoonful of flour, and let it cook a minute, stirring it constantly. Add then one and a half pints of boiling water or stock, a table-spoonful of vinegar, a table-spoonful of sherry, a tea-spoonful of Worcestershire sauce, salt, and pepper. When it is taken off the fire, strain the sauce, taking off any particles of fat; mix in the yolk of an egg. Pour it over the chicken, and serve.