Cannellini bean and walnut patties with avocado and wasabi sauce

1 tbsp olive oil
1 oinon finely, chopped
2 tsp ground cardamom
2 tsp ground coriander
1 tsp chilli flakes
800g tinned cannellini beans drained or 1 1/2 cups cooked cannellini beans
1 cup fresh breadcrumbs
1 cup roasted walnuts, chopped
1/2 bunch continental parsley, finely chopped
grated rind and juice of 1 lime
extra 2 cups fresh breadcrumbs
olive oil spray

Avocado and wasabi sauce:
1 avocado
2 tsp wasabi paste
juice of a small lime
2 tbsp mayonaise

1. Preheat oven to 200C. Heat oil in a small pan, add the oinon, cook for 1 min, then add cardamom, coriander and chilli and cook for a further 1-2 mins.
2. Place cannellini beans in a large bowl and mash with a potato masher. Add breadcrumbs, walnuts, parsley, lime rind and juice, salt and pepper to taste and onion mixture, then mix with your hands until mixture is well combined.
3. Divide mix into 8 patties, then, with wet hands, roll each patty in extra breadcrumbs. Place on a lined baking tray, spray with olive oil, cook for 10-12 minutes or until patties are golden brown and breadcrumbs are crisp. Serve with avocado sauce.
4. To make sauce, place avocado flesh in a processor, add wasabi paste, lime juice and mayo and process until mixture is smooth.