Kentucky Hot Brown

Name: Kentucky Hot Brown
Prep time: 30 min
Cook time: 30 min
Total time: 60 min
Ingredients: 2½ cups whole milk; 2 tbsp unsalted butter; 2 tbsp all-purpose flour; 2 cups cheddar cheese (white, grated, you'll need more for the sandwich, see below); ¼ cup Parmesan cheese (finely grated); ¼ tsp nutmeg (ground); 1 tsp hot sauce (ie, Crystals, Louisiana, Tobasco); Kosher salt and freshly ground black pepper; 1 lb applewood smoked bacon (thick cut); 2 large tomatoes (sliced, you'll need 6 to 8 slices); 1 tbsp olive oil; Kosher salt and freshly ground black pepper; 8 slices white bread (thick slices, country white); 4 tbsp unsalted butter (room temperature); 2 lbs roast turkey (sliced into thick slices (1/4-inch is good)); 1½ cups cheddar cheese (white, shredded); ½ cup Parmesan cheese; 2 tbsp chives (chopped, for garnish)