Spiced Coconut Chicken and Rice by Epicurious

– 1 tablespoon extra-virgin olive oil
– 1 onion, cut into 1/4-inch slices
– 1 (1-inch) piece ginger, peeled and cut into 1/4-inch slices
– 3 medium garlic cloves, minced
– 1 tablespoon curry powder
– 1 teaspoon ground turmeric
– 2 pounds bone-in, skin-on chicken thighs
– Kosher salt
– Freshly ground black pepper
– 1 (14-ounce) can light coconut milk
– 1/2 cup water
– 1 1/3 cups jasmine rice, rinsed
– 2 tablespoons cilantro leaves plus stems, stems and leaves divided
– 1 1/2 teaspoons sugar
– 1 lime, halved (one half cut into wedges, for serving)