Four-Colour Omelette

Eggs are an esteemed food in Hong Kong, as elsewhere. What is unique to Hong Kong, however, is the availability of a vast variety of eggs: duck, quail, chicken and pigeon and as many as twelve different types of each on any one market stall. Besides fresh eggs, there are sun-dried eggs; preserved eggs, including the Thousand-Year Eggs; duck eggs that have been preserved in a mixture of clay, fine ash and salt, then rolled in straw; and salted duck eggs preserved in clay. And Hong Kong chefs