Cook ground beef until no longer pink
Drain excess grease as needed and add to slow cooker
Mix flour with ¼ cup of broth until smooth and add to slow cooker
Add remaining broth along with diced carrots and celery, seasoning, cheese, cream cheese, and half and half
Cover and cook on high for 3-4 hours or low for 6-8 hours
Stir to combine well until cheeses are smooth
Cook tater tots according to package directions
Top soup with additional cheese and tater tots if desired
