It is better to use French mustard. Season the steaks on both sides with salt and pepper, brush generously with mustard and sprinkle with thyme.
Preheat the pan and add the oil. Fry on both sides for about 3 minutes.In fact, since the height of the steak, the fire, the pan-may differ, it is best to focus on the temperature inside. It should be like this:
43 degrees - very juicy and a little hard
46 degrees-meaty and juicy
49 degrees-hard and dry, like a well-done steak
54 degrees-hard, dry and crumbly
When the steaks are ready, pull them out. And until they reach, fry cherry tomatoes in the same pan.You can also prepare any side dish or vegetables that you want.