Place leek and EVOO into the Thermomix bowl. Chop 4 sec/speed 6. Sauté 20 min/Varoma/speed 1. Set aside.
Place coriander, walnuts, garlic, ground coriander, chilli flakes and EVOO into the Thermomix bowl. Chop 6 sec/speed 8. Scrape and repeat twice.
Add cooked leek, olives and mint. Combine 10 sec/speed 4. Scrape into a serving dish.
Garnish with mint and coriander leaves and pomegranate arils. Drizzle with some walnut oil.
Serve with crostini or crackers and extra walnuts on the side.