Fish consommé is the quickest of all consommés to prepare, but the least popular, which is as a shame, because it is delicious and can be served hot or cold, simply or dressed up with a garnish.
Place the cold stock into a large saucepan and heat it just until it liquefies. Remove the saucepan from the heat.
Place the leek and chopped fish in a food processor and process until finely chopped. Add the egg whites and 2 tablespoons water and blend until well mixed. Stir this mixture into the stock and bring to a boil over medium-high heat, stirring consta