SPICY CHERRY CHUTNEY WITH GRILLED FETA

• 400g feta, sliced into 8 pieces • 1 tsp olive oil • 1 tsp dried mint or oregano • Crusty bread, to serve CHUTNEY • 300g cherries, pitted • 6 tbsp red wine vinegar • 1½ tsp yellow mustard seeds • 3 bay leaves • ¼ tsp black peppercorns • Large pinch chilli flakes • 3 heaped tbsp sugar