Amu’s Gingery Chicken Soup With Lentils & Potatoes

Name: Amu’s Gingery Chicken Soup With Lentils & Potatoes
Prep time: 10 min
Cook time: 2 h
Total time: 2 h 10 min
Cuisine: American
Ingredients: 2 whole chicken legs; 1 small yellow onion, quartered; 1 (5-inch) piece ginger, smashed; 3 garlic cloves, smashed; 1 teaspoon whole black peppercorns; 1 teaspoon kosher salt; Kosher salt and freshly ground black pepper; 2 medium russet potatoes, peeled and diced into ½-inch cubes; 1/2 cup red lentils, rinsed; 2 tablespoons neutral oil (such as sunflower or grapeseed); 1/2 teaspoon black mustard seeds; 1/2 teaspoon cumin seeds; 1/4 teaspoon ground turmeric; Plain yogurt, for serving; Torn cilantro, for serving; Thinly sliced Thai green chiles, for serving