Steak with Shallot Wine Sauce

1 In a heavy skillet bring oil and the butter to a sizzle. Add the steaks and cook over medium heat, 8 minutes on each side for medium. Remove the steaks from the pan and cover to keep warm.
2 Add the shallots and the thyme to the pan; stir and cook for 1 minute.
3 Pour the vinegar and the wine: simmer for 2-3 more minutes.
4 Season with salt and pepper.
5 Add the butter and swirl until melted and well incorporate with the sauce.
6 Slice the steaks crosswise and pour the sauce over the steaks.