Burmese Chicken Braised in Coconut Milk Turmeric with Sweet Potato

Name: Burmese Chicken Braised in Coconut Milk & Turmeric with Sweet Potato
Ingredients: For the soup; 1 1/2 pounds boneless chicken thighs; 1 tablespoon dried ginger; 1 tablespoon dried turmeric; 1 tablespoon ground coriander; 1 tablespoon neutral oil, such as grapeseed; 2 cloves garlic; 1 1-inch piece peeled ginger; 1 peeled shallot; 1 dried chile, on the hot side (I like de árbol); 1 bunch cilantro; 1/4 cup unrefined coconut oil or a neutral cooking oil, such as grapeseed; 1 cup cubed sweet potato; 2 cups chicken stock; 2 cups unsweetened coconut milk; 2 tablespoons fish sauce; 2 limes, 1 juiced and 1 quartered; 1 pinch salt, to taste; For the crispy shallot topping; 1 peeled shallot, sliced thinly; 1 cup neutral cooking oil, such as grapeseed