Cheese croquettes with lemon

• 2 oz (50 g) butter
• 2 oz (50

Melt the butter in a saucepan over low heat. Stir in the flour and cook gently for 1 minute. Gradually stir in the milk. Bring to the boil, stirring well all the time to make a smooth sauce. Simmer for 3–5 minutes to thicken. Draw off the heat, season with salt and pepper and stir in the cheese. Separate the egg, set aside the white and beat the yolk into the cheese mixture. Allow mixture to be