Slow Cooker Witches Brew Stew is a spooky and delicious Halloween-themed dish. This stew is made with a variety of vegetables, including pumpkin, sweet potatoes, and black beans, and is flavored with warming spices like cinnamon and cumin. It's the perfect dish to serve at a Halloween party or for a cozy night in. The slow cooker does all the work, making it easy to prepare and serve.