Crisp Idaho® Potato Steak with Peppercorn Gravy and Poblano-Cheddar Idaho® Yukon Gold Mashed Potatoe

Ingredients

• 5 pounds all-purpose flour
• 5 pounds panko bread crumbs
• 1 pound cornstarch
• 1 pound cracker meal
• 1 pound tempura mix
• 2 cups seasoning salt
• 1 cup garlic powder
• 1 cup ancho powder
• 6 cups brown gravy
• 3 cups heavy cream
• ½ cup cracked peppercorns
• 1½ pounds poblano peppers
• 2 jalapeño peppers
• 12½ pounds Idaho® gold potatoes
• 2 ounces salt
• 3 cups milk
• 1 pound butter
• 2 cups grated Parmesan cheese
• 4 cups grated sharp Cheddar cheese
• 1½ cups sour cream
• 2.4 ounces salt
• 0.3 ounce ground white pepper
• 24 (60-count) Idaho® russet potatoes, baked and cooled
• Seasoned flour, as needed
• Egg wash, as needed
• 12 cups fried onion straws
• 24 sprigs fresh cilantro