HEILBRONN POTATOES
Put 2 tablespoons of butter in a deep saucepan, and when melted stir into it, with a flat-ended wooden spoon, 2 tablespoons of flour and let brown, then add 2 tablespoons of vinegar and use 2 cups of boiling water or vegetable stock in making this into a smooth sauce. Add ½ an onion, sliced, 2 cloves, 2 allspice, a piece of thin lemon peel, 1 tablespoon of lemon juice, and let cook very slowly, stirring for ten minutes. Then add more vegetable stock or boiling water to make a thin sauce and strain it; return to the fire and add 5 or 6 parboiled thinly sliced potatoes, 2 tablespoons of capers, and let cook slowly for fifteen minutes, stirring frequently; then pour into the saucepan ½ cup of cream (sour preferred), and serve in a deep, hot dish.