Slow Cooker Cassoulet is a rich and hearty pork stew made with white beans, vegetables, cubed pork, cubed smoked sausage, bacon and fresh thyme, rosemary and dried bay leaf. Cassoulet is a meat and bean French stew recipe traditionally made is a cassole. A slow cooker, pressure cooker or a Dutch oven can be used to cook this rich and savory stew recipe.