Authentic Gaelic Irish Steak with Whiskey Cream Sauce and Colcannon

Ingredients

• 7 sirloin steaks (6 oz. each)
• 1 cup unsalted butter, melted
• 1/4 cup Irish whiskey
• 1 tablespoon unsalted butter
• 2 garlic cloves, minced
• 2 shallots, finely minced
• 1/2 cup Irish whiskey (Jameson recommended)
• 1 cup heavy cream
• 1 cup beef stock
• 1 tablespoon whole grain mustard
• Kosher salt
• freshly cracked black pepper
• 2 1/4 lbs. Russet potatoes, peeled and diced
• 3 cups curly kale, chopped
• 1/2 cup green onion, diced
• 1/3 cup unsalted butter
• 1 cup whole milk
• Salt
• pepper
• 1 tablespoon vegetable oil (for searing steaks)