(Healthy Slow Cooker Recipes #216 - Slow Cooker Couscous Stuffed Peppers) Couscous filled peppers with Moroccan flavors are a delicious departure from the rice and ground beef stuffed peppers I grew up on. They are much lighter and more flavorful too. Skinny on Slow Cooker Couscous Stuffed Peppers I served them for supper with Caesar salad on the side. They