1. Rinse well, top and tail.2. Trim off the thick side, or if the gwareen is large and sides are hard, then both sides. (This is so when the beans cook, the strings on the sides do not come off whilst cooking.)3. If the gwareen is quite long, cut into half. 4. Braise onion in oil till translucent.5. Add spices, chillies, ginger & garlic.6. Now add the beans. Mix together and add 1 cup water.7. Cook on medium heat, adding water as needed to cook beans till tender.8. Serve with roti or soft bread. Note: Stores well in freezer. If frozen, give beans a quick boil till slightly softened before adding to pot.