Steak With Stout Pan Sauce

Spread 1 teaspoon mustard over steaks; sprinkle with salt and ground black pepper. Heat 1 teaspoon oil in large nonstick skillet over medium-high heat. Cook meat about 4 minutes per side for medium-rare. Transfer to plate; tent with foil. Wipe out skillet.

Mash butter and flour in small bowl; set aside. Heat 1 teaspoon oil in same skillet over medium-high heat. Add garlic; sauté 15 to 20 seconds. Add broth; bring to boil. Whisk in stout, brown sugar, soy sauce, 3 teaspoons mustard, and butter mixture. Boil until reduced to 2/3 cup, 2 to 3 minutes.

Thinly slice steaks; divide among plates. Drizzle sauce over and serve.