This is made by adding to 1 cup of Spanish sauce 2 tablespoons of white wine, 1 teaspoon of onion juice, and 1 1/2 teaspoons of mustard mixed with 2 teaspoons tarragon vinegar. Season, and make hot in a double boiler, letting all cook slowly together ten minutes. SPANISH SAUCE This is a rich sauce which is used as a basis for many sauces, and can be made at a leisure time and used any time within a few days. Any stock in which vegetables have been cooked may be used, but the best one is made as follows: Wash 4 or 5 cups of red beans or lentils, and after soaking them in 2 quarts of water for ten hours or more empty them with the same water into a saucepan, and put with them 3 onions halved, 3 sprigs of parsley, 1 cup of carrots quartered, 1/2 cup of diced turnips, 1 tablespoon of salt, 2 stalks of celery cut in short lengths, and a small bag containing 1 teaspoon of thyme, 2 bay leaves, 6 cloves, 6 whole peppers, and 1 teaspoon of allspice berries. Let boil hard for one minute, then set on the stove where it will simmer slowly for two hours. Strain the broth through a fine sieve, and use the vegetables in a stew, a deep pie, or a curry. To finish the Spanish sauce put 2 tablespoons of butter in a saucepan, and when melted stir into it 2 tablespoons of flour and let brown, stirring constantly; then add a little stock at a time until about 2 cups have been used and the sauce is the consistency of thick cream. Darken with 1 teaspoon of brown colouring, add 1 tablespoon of sherry, and pepper and salt. SPINACH SAUCE Put 1 cup of freshly cooked or canned spinach, from which the juice has been pressed, into a basin or mortar, and chop or mash to a pulp. Melt 1 tablespoon of butter in a saucepan, add to it 1 small onion chopped fine, let cook slowly for five minutes, then add the spinach, and let cook for ten minutes more. Put 1 cup of milk into a double boiler with 1 bay leaf, 1 stalk of celery (or some celery seed), and when it boils add 1 tablespoon of flour blended with 1 tablespoon of butter; season with salt and pepper, and when thickened stir the spinach into this, sprinkle with grated nutmeg, and let cook together for ten minutes. Press through a sieve before serving. SAUCE TARTARE Make a plain mayonnaise sauce (see Salads), and to each cup add 1 teaspoon of gherkins and 2 teaspoons of capers, both very finely minced; sprinkle a little cayenne on the sauce before serving. TOMATO SAUCE Use 6 fresh tomatoes, and after washing them slice them, skins and all. Put 1 tablespoon of butter in a saucepan, and when melted add 2 tablespoons of finely chopped onion, let cook slowly for five minutes, then put with them the tomatoes, 2 bay leaves, 1 clove of garlic, 1 teaspoon of sugar, some pepper and salt, and let cook gently for fifteen minutes; then strain, pressing through a sieve, and return the liquid to the fire to simmer until reduced to the proper consistency. TOMATO SAUCE WITH OTHER VEGETABLES