Curried Ground Turkey with Potatoes

Name: Curried Ground Turkey with Potatoes
Ingredients: 3-4 Tbsp vegetable oil (or ghee or coconut oil); 1 pound ground turkey (thigh meat if you can get it); 1 chopped onion; 1-2 chopped fresh red chiles (optional); Salt to taste; A 1-inch piece of peeled ginger, grated fine; 2 garlic cloves, minced (about 2 teaspoons); 1 Tbsp garam masala (or curry powder); 1 teaspoon turmeric; 1 teaspoon ground cumin; 1 teaspoon ground coriander; 1/2 cup water; 2 large Yukon Gold potatoes, peeled and cut into 1-inch chunks; 2-4 Roma or other plum tomatoes, diced; 1 cup fresh or frozen peas; 1/2 cup (loosely packed) chopped cilantro or parsley