Grilled Wagyu Beef Flat Iron Steak with Yukon Gold Hasselback Potatoes

Ingredients

• 1 Double 8 Cattle Company Fullblood Wagyu Beef Flat Iron Steak
• 5 Garlic Cloves (minced)
• 1/3 CUP Extra Virgin Olive Oil
• 1/2 CUP Balsamic Vinegar
• 2/3 CUP Red Wine
• 2 TBSP Fresh Rosemary (chopped)
• 1 TSP Kosher Salt
• 1/2 TSP Freshly Ground Black Pepper
• 6 Large Yukon Gold Potatoes (rinsed and patted dry)
• 6 OZ Unsalted Butter (melted)
• 3 Garlic Cloves (minced)
• 3 SPRIGS Fresh Thyme Leaves (pick the leaves off one sprig and leave the other sprigs whole)
• 2 TSP Kosher Salt
• 1 TSP Freshly Ground Black Pepper
• 4 OZ Parmesan (grated)
• 4 TBSP Chives (chopped)