You need 1 ingredient. The key ingredients include: ["STEAK SALAD WITH MUSTARD VINAIGRETTE", "2 pounds boneless sirloin, 2"" thick", "Salt and pepper", "3/4 pound new potatoes, cooked and quartered", "12 oz. hearts of palm, sliced 1"" thick", "1 small red onion, peeled and sliced", "1 small red bell pepper, sliced in slivers", "1 small green pepper, sliced in slivers", "4 tbls. chopped fresh chives", "3 tbls. chopped fresh parsley", "Romaine lettuce leaves", "Snow peas, sliced", "Mushrooms and cherry tomatoes as garnish", "Mustard Vinaigrette Dressing", "1 egg, beaten", "1/3 cup olive oil", "2 tsp. Dijon mustard", "1-1/2 tsp. lemon juice", "3 tbls. Tarragon vinegar", "1 tsp. Worcestershire sauce", "1 tsp. salt", "Fresh pepper", "Preheat the broiler. Season steak with salt and pepper and broil to desired doneness. Cool and slice thinly into bite-size pieces.", "Combine with salad ingredients except Romaine lettuce and garnishes. Toss gently.", "Combine dressing ingredients in a container with a tightly fitting lid and shake well to blend, or, in a food processor.", "Pour dressing over salad and refrigerate for 3-4 hours. Serve over lettuce with snow peas, mushrooms and tomatoes."].