Slow cooker taco soup is an easy recipe from Home. Made. Interest. made with ground beef, ranch seasoning, black beans, and corn. This tasty soup is slow-cooked in a Crock Pot until it is packed full of southwest flavor. This easy crock pot taco soup puts all the classic southwestern flavors into one cozy bowl. With easy prep, you will love making it almost as much as your family will love eating it!