Westward Ho Flank Steak Sandwiches

Flank steak, sweet onions, and a spicy sauce turn these sandwiches into a satisfying meal.

2 users rated this recipe an average rating of 5.0
  • Makes: 6 servings
  • Yields: 6 sandwiches
  • Prep: 35 mins
  • Cook: 30 mins
  • Stand: 10 mins
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Westward Ho Flank Steak Sandwiches
recipe Horseradish Sauce (see recipe below)
1 1/2
teaspoons dried oregano, crushed
1 1/2
teaspoons coriander seed, crushed
teaspoon salt
teaspoon freshly ground black pepper
tablespoons butter
large sweet onions, such as Texas 1015 or Vidalia, cut into 1/4-inch-thick slices (about 4 cups)
1 1/2
pounds beef flank steak or boneless beef top sirloin steak, cut 1 inch thick
small romaine lettuce leaves
purchased bakery sourdough rolls or 12 slices sourdough bread, toasted
  1. Prepare Horseradish Sauce; cover and chill. In a small bowl combine oregano, coriander, salt, and pepper; set aside. In a 12-inch nonstick or cast iron skillet, melt butter over medium-low heat. Add onions, garlic, and half (about 2 teaspoons) of the spice mixture. Cook, covered, for 13 to 15 minutes until onions are tender, stirring occasionally. Uncover; cook and stir over medium-high heat for 5 to 8 minutes more or until onions are golden. Remove from skillet; set aside. Wipe skillet clean.
  2. If using flank steak, score meat on both sides by making shallow cuts at 1-inch intervals diagonally across steak in a diamond pattern. Rub steak on both sides with the remaining half of the spice mixture. Heat the same skillet over medium-high heat until very hot. Add steak. Cook, uncovered, for 12 to 16 minutes or until meat is medium-rare (145 degree F), turning once. Remove meat from skillet to cutting board; cover with foil and let stand 10 minutes.
  3. Thinly slice steak across the grain. To serve, arrange lettuce leaves and steak on bottoms of rolls. Top with onions; dollop with Horseradish Sauce. Add roll tops. Makes 6 sandwiches.
Horseradish Sauce
cup mayonnaise
tablespoons prepared horseradish
tablespoon lime juice
teaspoon dried oregano, crushed
  1. In a small bowl stir together mayonnaise, prepared horseradish, lime juice, and oregano.
Nutrition Facts (Westward Ho Flank Steak Sandwiches)
    Per serving:
  • 399 kcal cal.,
  • 14 g fat
  • (6 g sat. fat,
  • 1 g polyunsaturated fat,
  • 5 g monounsatured fat),
  • 56 mg chol.,
  • 799 mg sodium,
  • 37 g carb.,
  • 4 g fiber,
  • 3 g sugar,
  • 31 g pro.
  • Percent Daily Values are based on a 2,000 calorie diet
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