To make the pastry, measure the flour into a large bowl and rub in the butter with your fingertips until the mixture resembles fine breadcrumbs (alternatively, this can be done in a food processor).

A sign of battery manufacturer CATL is pictured at its booth the Beijing International Automotive Exhibition, or Auto China 2024, in Beijing, China, April 25, 2024. REUTERS/Tingshu Wang/File Photo ...