Joyce Ma’s amateur chef grandson to cook at Sevva, serving a US$250 six-course meal with fish, a katsu twist and his take on lemon tea for dessert

• Christopher Ho first learned to cook watching Jamie Oliver and Gordon Ramsay on YouTube. Later he asked Eric Räty, head chef at Michelin-starred Arbor, for tips
• Next week he will prepare a six-course dinner at Sevva in Hong Kong, where guests can pay extra to pair the dishes with cocktails by his sister, Nicola Tessa Ho