Cook potatoes according to package directions; keep warm.
Meanwhile combine garlic salt and seasoned pepper; press evenly into both sides of Beef steak.
Heat large nonstick skillet over medium heat until hot. Place steak in skillet; cook 14 to 17 minutes for medium-rare to medium doneness, turning once.
Remove bone; carve Beef crosswise into slices. Serve with potatoes. 2 servings.