Good Steak, salt and pepper left out an hour or so to come to room temperature.
VERY hot skillet. Add a bit of your choice of oil with a touch of butter. Melt, throw the steak on. Leave on for 2-5 minutes, pending thickness and flip. another 1-4 minutes. Remove steak from pan and let it sit.
Lower heat to med or so. Add sliced/chopped onion and/or mushrooms with just a little bit more butter, and cook until the onions begin to sweat.
Solid.
