Open-Faced Florida Beef Culotte Sandwich - Fresh From Florida : Fresh From Florida

Ingredients

• 1 (10-ounce) Florida beef steak
• 1 large Florida tomato, sliced medium thickness
• 2 cups Florida arugula
• 1 teaspoon all-purpose seasoning blend (such as Everglades or steak seasoning)
• 1 teaspoon vegetable oil
• ½ loaf ciabatta bread, cut open and halved (or your favorite crusty bread)
• ½ red onion, sliced as thin as possible
• 2 tablespoons red wine vinegar
• 1 teaspoon fresh garlic, minced
• Sea salt and fresh ground pepper, to taste
• Seminole Horseradish Sauce
• ¼ cup mayonnaise
• ¼ cup sour cream
• ¼ lemon, juiced
• ½ teaspoon all-purpose seasoning (such as Everglades or steak seasoning)
• ½ teaspoon Worcestershire
• 1 teaspoon prepared Seminole horseradish (plus more to taste)