Anchovie Sauce for Fish.
Put half a pound of fresh butter into a stewpan, add to it three spoonfuls of anchovie liquor, walnut and mushroom ketchups a spoonful of each, the juice of half a lemon, a little cayenne pepper, a tea spoonful of india soy if approved, a sufficient quantity of flour and water to make it of a proper thickness. Make the mixture boil, and skim it clean.