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1 quart
Easy
Published 1935
Whether or not this sauce is of Spanish origin, it has been adopted for centuries in France, is one of the basic sauces, and is the foundation of many other sauces and dishes.
Cut the vegetables in dice, put the butter in a saucepan and, when melted, add the vegetables. Simmer gently till the vegetables are slightly coloured, then add the flour, mix well with a wooden spoon, and simmer gently till the flour begins to brown. Then add very gradually the white wine and the stock. Bring to the boil, add the mushrooms and the tomato purée, and simmer very