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4
Medium
Published 1974
Melt the butter in a large saucepan over low heat. It is important to use a large pan since the beaten egg whites have to be folded into the mixture at the end. Stir in the flour and cook very gently for 1 minute. Gradually stir in the milk, beating all the time to get a smooth, very thick mixture. Beat in the finely grated lemon rind and the strained juice and bring up to the boil. Draw the pa