Make just enough of this recipe. Use the portion planning tool to calculate exactly how much of each ingredient you’ll need.In a heavy skillet, heat half the oil over medium high heat, sauté the shallot and garlic for 1 minute.Add mushrooms, Worcestershire sauce, salt, pepper and thyme, cook, stirring until soft and most of the liquid has evaporated, scrape into a bowl. Wipe out skillet, brush steaks with remaining oil and season with salt and pepper. Sear over medium high heat, turning once, for 4-5 minutes per side for medium rare (6-7 minutes for medium done).Transfer to a warm plate and let rest for 5 minutes. Meanwhile, add wine to hot skillet, cook, scraping bits with spatula, until sauce has reduced by half. Return mushroom mixture to pan and start to heat.Combine flour softened butter (heat butter in microwave for 15 seconds) and form a paste.Stir this mixture into pan and cook until thickened, this will take about 20-25 minutes.Pour mushroom sauce over steaks and serve.