BEEF FILLETS WITH STILTON PORTOBELLO SAUCE

Steps:

• Rub fillets with tarragon and pepper; Melt 2T butter in large skillet over med - high heat; Cook fillets 4 - 5 min on each side or to desired doneness; Remove from skillet and keep warm; Melt remaining 3 T butter in skillet; Add mushrooms and saute 4 min or til tender; Add wine, and cook 2 min, stirring to loosen particles from bottom of skillet; Stir in sour cream; Sprinkle 1/4c cheese into sauce and stir to melt. Arrange fillets on serving platter, drizzle with sauce; Sprinkle remaining cheese and garnish.