One-Pan Chicken, Kale and Potato Gratin Ingredients 2 lb. russet potatoes, thinly sliced 3 tbsp. extra-virgin olive oil, divided, plus more for drizzling 2 cloves garlic, minced 1 onion, chopped 1 c. chopped kale, cleaned and veins removed kosher salt Freshly ground black pepper 2 tbsp. all-purpose flour 2 tbsp. butter 1/2 c. heavy cream 1 c. low-sodium chicken stock 1 lb. Shredded chicken 2 [...]