Spiced Chicken Pot Pies

Name: Spiced Chicken Pot Pies
Ingredients: 2 teaspoons ground turmeric; 2 teaspoons ground cumin; 1/2 teaspoon ground black pepper; 1/2 teaspoon ground ginger; 1/2 teaspoon ground coriander; 1/4 teaspoon ground cardamom; 2 tablespoons canola oil; 6 bone-in, skin-on chicken thighs; Kosher salt and ground black pepper; 1 yellow onion, diced; 3 large carrots, thinly sliced into coins; 3 stalks celery, sliced; 1 teaspoon grated fresh ginger; 6 tablespoons all-purpose flour; 2 1/2 cups low-sodium chicken or vegetable stock; 1/2 bunch fresh dill, finely chopped; 1/2 bunch fresh parsley, finely chopped; 3/4 cup peas (fresh or frozen); 1/2 cup heavy cream; 1 sheet frozen puff pastry, thawed overnight in the refrigerator or at room temperature for 20 to 30 minutes; 1 large egg beaten with a splash of water, for egg wash; Flaky sea salt; Sesame seeds, for topping