1 eating apple
500–600g/1lb 2–5oz fresh beetroot
½ tsp ground coriander
4 mint leaves
1 small onion or banana shallot
pinch coarsely ground black pepper
2 tsp cornflour
½ tsp ground cumin
1 tsp sea salt
1 tsp smoked paprika
75g/2½oz granulated sugar
175ml/6fl oz cider vinegar