Leave to strain for several hours or overnight if possible. Measure the crab apple stock (it will be approximately 1 litre/1¾ pints). For every litre, measure out 600g/1lb 5oz granulated sugar.

By the way, have you ever heard about crab apples ... The crisp flesh has tropical flavors of coconut and banana and, since it doesn’t brown, makes the apple a delicious, sweet addition to ...