Steak Baguette Sandwich with Garlic Herb Butter - Be Our Guest - Magic Kingdom

Name: Steak Baguette Sandwich with Garlic Herb Butter - Be Our Guest - Magic Kingdom
Cuisine: French
Ingredients: 4 thin-cut top sirloin steaks; Kosher salt; 1/2 cup butter (softened to room temperature, 1 stick); 1 teaspoon basil; 1 clove garlic (peeled and chopped finely); steak seasoning; 2 long baguettes; baby kale or greens; diced tomato (optional)