Bloody Mary Flank Steak

Ingredients

• 1 cup vegetable juice (guy recommends v8)
• 1/2 cup vodka
• 1 teaspoon fine sea salt, plus more for seasoning
• 1 teaspoon freshly ground black pepper, plus more for seasoning
• 1 teaspoon hot sauce (guy recommends tabasco)
• 1 tablespoon fresh lemon juice
• 1 tablespoon worcestershire sauce
• 2 garlic cloves, crushed
• 1 teaspoon onion powder
• 1 teaspoon ground celery seed
• 1 tablespoon prepared horseradish
• 1/4 cup olive oil
• 1 pound flank steak
• small celery stalks and leaves, and grilled tomatoes, for garnish (optional)