In the same bowl, combine the cup of yogurt with the ginger, garlic, curry powder and the remaining 1/2 cup of oil and season with salt and pepper. Add the chicken and toss until thoroughly coated.

Toss together potatoes, onions, rosemary , 2 tablespoons oil, 1 teaspoon remaining salt, and remaining 3 thyme sprigs in a large bowl. Wipe excess marinade off of chicken. Heat 2 tablespoons oil ...