Sarah SimmsJuly 20, 2014aleppo pepper, cheese, dinner, entertaining, gratin, gruyere, kale, lemon, olive oil, parmesan, potato, recipe, sides, summer Potato Kale Gratin Sarah SimmsJuly 20, 2014aleppo pepper, cheese, dinner, entertaining, gratin, gruyere, kale, lemon, olive oil, parmesan, potato, recipe, sides, summer