Pork Roulade with Chutney Stuffing and Rosemary Garlic Mashed Potatoes

Name: Pork Roulade with Chutney Stuffing and Rosemary Garlic Mashed Potatoes
Ingredients: 2 cinnamon sticks; 2 fresh rosemary sprigs; 1 small shallot, minced; 2 teaspoons minced peeled fresh ginger; 1 garlic clove, minced; 2 cups unsalted chicken stock, plus extra for deglazing; 3/4 cup chopped Granny Smith apple; 1 cup mixed chopped dried fruit, such as apricots, golden raisins, dried plums, dried figs, dried cherries; 1/2 teaspoon kosher salt, plus more to taste; 1 tablespoon apple cider vinegar; 1 tablespoon granulated sugar; 1/2 cup chopped walnuts, toasted; 1 pound pork tenderloin, trimmed; 1 teaspoon kosher salt, plus more to taste; 1/2 teaspoon freshly ground black pepper, plus more to taste; 1 tablespoon olive oil; 1 tablespoon unsalted butter; Garlic Rosemary Mashed Potatoes, recipe follows; Celery Salad, recipe follows; 2 pounds medium Yukon gold potatoes (about 8), peeled and halved; Kosher salt; 1 cup heavy cream; 2 garlic cloves, smashed; 1 sprig fresh rosemary; 1/2 shallot, roughly chopped; 4 tablespoons unsalted butter, cut up and softened; 1 stalk celery, shaved into ribbons; 1 Granny Smith apple, cored and cut into 1/4-inch dice; 1/2 cup walnuts, toasted; 2 tablespoons parsley leaves