Gather all ingredients.
Stir processed cheese food, diced tomatoes with chiles, shredded cooked chicken, sour cream, green onion, jalapeño, and taco seasoning together in a slow cooker.
Cover and cook on High, stirring occasionally, until cheese has melted and dip is hot, 1 to 2 hours.
Stir in black beans and cook until heated through, 15 minutes.
Serve with chips.
