Combine all sauce ingredients, except pepper, in small saucepan; bring to a boil. Reduce heat and simmer, uncovered 12 to 15 minutes or until sauce is thickened and reduced by about half, stirring occasionally. Stir in pepper. Keep warm.
Press coarsely cracked pepper on both sides of beef steak. Heat large nonstick skillet over medium heat until hot. Place steaks in skillet; cook 10 to 13 minutes for medium rare (145°F) to medium (160°F) doneness, turning occasionally.
Meanwhile, prepare Mashed Sweet Potatoes.
Evenly divide sauce onto 4 plates. Place steak on top of sauce. Serve with Mashed Sweet potatoes and green beans.
Mashed Sweet Potatoes
Place 9 ounces peeled and cubed sweet potatoes and 1 teaspoon salt in large saucepan.
Cover with water; bring to a boil.
Cook 4 to 5 minutes or until potatoes are tender.
Drain. Combine potatoes, 2 tablespoons butter, 1/8 teaspoon salt and 1/8 teaspoon black pepper.