Add all ingredients to a 4-quart or larger slow cooker. Stir.
Cook on low for 8 – 10 hours.
Serve with assorted toppings.
Notes
You can add assorted toppings of your choice like avocado, cherry tomatoes, chopped scallions or onion, cilantro, Tapatio sauce (if you want to add some heat), or, if not vegan, shredded cheddar or jack cheese and sour cream