Chicken Curry Potpie

Name: Chicken Curry Potpie
Ingredients: 1 pound boneless skinless chicken breasts cut into 1-inch pieces; Salt and freshly ground black pepper; 2 tablespoons ghee or corn or canola oil; 2 cups finely chopped onions (2 medium); 2 cloves garlic finely chopped; 6 slices peeled fresh ginger root, about ¼ inch thick; 1 teaspoon ground cumin; 1 teaspoon ground coriander; 1 teaspoon curry powder or more to taste; ¼ teaspoon cayenne pepper or hot paprika; One 14½-ounce can whole tomatoes drained; ¾ cup water; ½ cup plain whole milk yogurt; 2 tablespoons heavy whipping cream; Surefire Cream Cheese Crust; 2 tablespoons chopped fresh cilantro leaves