Heat oil in a heavy nonstick skillet over medium high heat. Sauté American Heart Association Steaks 4-5 minutes per side until cooked. Transfer meat to a platter. Set aside and keep warm. Sauté onion in drippings 7-8 minutes, stirring occasionally until tender. Stir in next 6 ingredients and bring to a boil, stirring frequently. Let sauce reduce by 25%. Serve sauce over meat.