Place sweet potatoes, stewed tomatoes, tomato sauce, sweet onion, celery, water, and all the spices in a slow cooker.
Cook on high for 5 hours, stirring occasionally.
Heat coconut oil in a large pan on medium heat and add ground beef.
Cook and stir until meat is crumbly and no pink is showing.
Drain any excess grease.
Add cooked ground beef, drained and rinsed black beans, and corn to slow cooker.
Cook until flavors have blended for another 30-45 minutes and serve warm!