Mix marinade ingredients in a small bowl.
Place each steak into a ziplock bag. Add 2 Tbsp marinade to each bag and seal.
Smoosh around to coat steaks.
Place side by side in Varoma bowl.
Add 500g water to Thermomix bowl. Place Varoma on top.
Set 8 min/Varoma/sp 2.5.
Remove carefully and set aside, reserving marinade for a sauce. If planning to cook much later, refrigerate. Bring to room temperature before cooking.
Preheat BBQ or pan.
Dry steaks with paper towel and spray lightly with a little oil.
Sear on each side for 1 to 2 minutes, depending on thickness of steaks and desired doneness.