Maple Pork Roast with Blue Cheese Crust

Name: Maple Pork Roast with Blue Cheese Crust
Ingredients: 1 cup (250 milliliters) water; 1/2 cup (70 grams) kosher salt; 1/2 cup (100 grams) brown sugar; 1/2 cup (125 milliliters) maple syrup; 2 cups ice cubes; 3 tablespoons (45 milliliters) Dijon mustard; 6 garlic cloves, roughly chopped; One 2-inch piece ginger, sliced; 2 sprigs rosemary; 2 cinnamon sticks; 1 tablespoon black peppercorns; 1 cup (250 milliliters) dry apple cider; One 6-rib (about 1.4 kilograms/3 pounds) bone-in center-cut pork loin roast (or a 1 kilogram/2 pound center-cut boneless pork loin roast); 2 slices whole grain bread; 1 tablespoon roughly chopped rosemary; 2 tablespoons (30 milliliters) olive oil; Kosher salt; Freshly ground black pepper; 1/2 cup (60 grams) crumbled blue cheese; 2 tablespoons (30 milliliters) Dijon mustard