poutine recipe

For the Fries: 2 pounds Russet potatoes (3-4 medium potatoes) Frying oil (peanut or other) For the Gravy: 3 tablespoons cornstarch 2 tablespoons water 6 tablespoons unsalted butter ¼ cup all-purpose flour 20 ounces beef broth 10 ounces chicken broth Pepper to taste For the Topping: 1 ½ cups white cheddar cheese curds (or torn chunks of mozzarella cheese)