Process or blend the cheese and soup and half and half in batches. Pour in large pan. Add tomatoes. In another pan saute onion and garlic in butter for 5 minute Add onion mixture to soup. Stir in juice and basil and pepper.
Stir while heating to avoid scorching.
Serve with crisp bacon bits, cheese, garlic croutons, sour cream, a dollop of pesto, crushed potato chips, etc.