Put the cheese into the Thermomix bowl and grate for 6 seconds | Speed 8; remove to a bowl
Put cauliflower into the Varoma bowl and assemble (without the tray)
Rinse Thermomix bowl, add 600g of water into the bowl and close the lid
Put the Varoma on top of the Thermomix and steam for 15 minutes | Varoma | Speed 4
When the timer finishes, take the Varoma off the Thermomix and toss the cauliflower around the bowl to mix
Put the kale into the Thermomix basket, put in the Thermomix, add the Varoma and steam for another 5 minutes | Varoma | Speed 4
Remove the Varoma and the basket and empty the water from the bowl
Turn the grill on in the stove
Add the oil, flour, milk, salt and pepper into the Thermomix bowl and with the measuring cup (MC) on, cook for 8 minutes | 90C | Speed 4
Add 100g of the cheese and mustard into the bowl and cook for 2 minutes | 90C | Speed 3
Put cauliflower and kale into a large rectangular roasting dish, mix together and top with cheese sauce; making sure all of the vegetables are covered
Sprinkle with remaining cheese
Put roasting dish into the oven and grill until golden brown
