Mill walnuts with rolled oats, set aside.
Combine all ingredients except walnuts, oats and bread crumbs in thermomix, blitz on 5-6 for 10-15 secs.
Add walnuts, oats and bread crumbs and mix on reverse.
Cover in a bowl and rest in fridge for a few hours if possible.
Roll into small balls.
Add decent layer of oil to pan, brown on all sides, put lid on and let it cook through a bit. Don’t cook in the oven after.