"A beef broth, marinated flank steak, with Creole mustard, balsamic vinegar and herbs, prepared in the classic London Broil method, with a quick sear on a hot grill and sliced at an angle, against the grain, for a full flavored tender steak...."
INGREDIENTS
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2 pound (1-1/4 to 1-1/2 inch thick)
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1/4 teaspoon kosher salt
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1/4 teaspoon black pepper
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1 cup beef stock/broth
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1/4 cup balsamic vinegar
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2 tablespoons Creole mustard
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2 garlic cloves
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1 teaspoon dried parsley
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Sprig fresh rosemary
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1/4 teaspoon dried red pepper flakes
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Reserved marinade above
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1/2 cup butter
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1 teaspoon Worcestershire sauce