Croquette Potatoes

• 1 lb (450 g) potatoes
• 1 oz (25

Peel the potatoes, add to a pan of boiling salted water and simmer for 15–20 minutes until tender. Drain well, return to the pan and allow potatoes to dry for a minute over the heat. Press the potatoes through a sieve into a mixing bowl to make a smooth purée. Melt the butter in a saucepan and stir it into the sieved potatoes. Separate the egg. Beat the egg yolk into the potato and season with