No. 173 Salad Sauce
½ pint soaked haricot beans.
1 onion.
1 ounce butter.
½ teaspoon salt.
1 tablespoon vinegar.
1 strip lemon peel.
A tiny piece of mace.
1 pint water.
½ dozen peppercorns.
Dissolve the butter in a saucepan, then place in it the haricot beans, onion sliced, mace, lemon peel, peppercorns and water. Boil two hours, rub through a sieve and allow to cool; then strain again to remove scum, add vinegar, and pour over salad.