These patties make great sandwich fillings along with the cucumber and lettuce or even baby spinach leaves. Use your favourite sliced bread, bread rolls or wrapstyle flatbread.
1.Boil, steam or microwave kumara until tender.Cool 10 minutes.
2.Meanwhile, dry-fry mustard seeds in a heatedmedium frying pan, over medium heat, stirring, about 1 minute or until seeds begin to pop.
3.Blend or process bread and mint leaves until chopped finely. Add kumara, mustard seeds, chickpeas, cumin and egg; pulse until mixture just comes together. Season. Using wet hands, form mixture into eight patties.
4.Heat oil in same frying pan over medium heat; cook patties, in batches, until browned on both sides and heated through.
5.Meanwhile, to make raita, combine yoghurt, mint and lemon rind in a small bowl.
6.Using a vegetable peeler, peel cucumber into long ribbons.