Four Seasons hotel chef on the secret to three Michelin stars, creating dim sum for Lung King Heen and what he eats at home

• Lung King Heen chef Chan Yan-tak had already had a full career and retired before becoming the first Chinese chef to receive three Michelin stars in Hong Kong
• Nice ingredients matter, the Four Seasons chef says, as does serving food piping hot and paying staff well, many of whom have worked with him for decades