1. To prepare cream, combine horseradish, sour cream, and creme fraiche in a small bowl; cover and chill. 2. Preheat broiler. 3. To prepare sandwich, heat a large nonstick skillet over medium heat. Coat pan with cooking spray. Add onion and 1/8 tsp salt to pan; cover and cook 10 minutes, stirring frequently. Uncover and cook 10 minutes or until onion is golden brown. 4. Sprinkle steak with 1/8 tsp salt and pepper. Place steak on a broiler pan coated with cooking spray; broil 5 minutes on each side or until desired degree of doneness. Let stand 5 minutes. Cut steak diagonally across the grain into thin slices. Combine steak and remaining 1/4 tsp salt in a bowl, and toss to coat. 5. Combine arugula, oil, and vinegar in a medium bowl; toss gently. Spread 2 tablespoons horseradish cream over each bread slice; top each with about 1/3 cup onion, 1/2 cup arugula mixture, and 3 ounces of steak. ---------------------------------------------------------------------------
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Ingredients