Add all filling ingredients into the Thermomix bowl and chop 3 seconds/speed 5. Scrape down sides of bowl and saute 3 mins/100℃/R/speed 1/simmering basket sitting on lid instead of measuring cup.
Scrape out filling ingredients into a small bowl and set aside. Do not clean bowl.
Place eggs and milk into Thermomix bowl and mix 5 secs/speed 4.
Make a paper tray for the varoma tray by scrunching some baking paper under a tap and wringing it out. Sit it in the varoma tray making sure not to block the side vents.
Pour eggs gently onto tray and top with reserved filling mix, spreading it and gently mixing it into the omelette. Sprinkle with grated cheese.
Add 500g cold tap water to Thermomix bowl. Position Varoma and steam 10mins/varoma temp/speed 2.
Use the paper in the Varoma to help roll your omelette. Garnish with fresh herbs. Enjoy!