Cut the eggplant as shown in the pictures above - 1 eggplant will produce 2 thick steaks.
Add the eggplant steaks to a freezer bag and add the marinade ingredients.
Shake the bag gently to ensure the marinade is evenly spread. Refrigerate for 1-hour minimum.
If grilling, heat the grill and grill the steaks for about 4-5 minutes on each side.
If frying, heat oil in a pan, then add the steaks, together with the thyme and garlic fry them for 1 minute, then add the butter and using a spoon, take some of the juices in the pan and pour them on top of the steaks. Fry for another 4-5 minutes then serve!
Notes
store the remaining cooled steaks in the fridge for up to 2 days.