* 2 tablespoons groundnut oil
* 2 celery stalks, chopped
* 1 medium onion, chopped
* 100g (4 oz) ham, cubed
* 250 ml (8 fl oz) chicken stock
* 1 teaspoon cornflour
* 2 tablespoons water
* 3 spring onions, chopped on the diagonal
* 1 beaten egg

===Method===
* Heat the oil in a pan and fry the onion, celery and ham for 2 minutes
* Add the stock and bring back to the boil
* Cover and simmer for 3 minutes
* On a saucer, mix the cornflour and water and stir to a smooth paste
* Pour into the sauce, stirring continuously until it thickens
* Beat the egg and mix into the sauce, stirring until it cooks
* Remove from heat and serve, sprinkled with chopped spring onions

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