Preheat oven to 210 degrees celsius (fan-forced).
Lightly spray a non-stick mini-muffin tray with cooking spray and set aside (see notes).
Place all ingredients (except for the sesame seeds) into the Thermomix bowl. Mix on Speed 5, 10 seconds. Scrape down the sides of the bowl and repeat for a further 5-10 seconds, or until well combined.
Roll into 1 tablespoon-sized balls and place into the prepared mini-muffin tin (see notes). Cook in the oven for 15 minutes.
Brush over the extra sweet chilli sauce and sprinkle with sesame seeds. Cook for a further 2 minutes, or until cooked through.