Sauce Robert Recipe
Melt an ounce of butter, and put to it half an ounce of onion, mixed
fine; turn it with a wooden spoon till it takes a light brown colour;
stir into it a table-spoonful of mushroom ketchup, and the same quantity
of port wine. Add half a pint of broth, a quarter of a tea-spoonful of
pepper, and the same of salt; give them a boil; add a tea-spoonful of
mustard, the juice of half a lemon, and one or two tea-spoonfuls of
vinegar or tarragon.
Vote