1. In a stockpot combine tomatoes, onion, cloves, and chicken brother. Bring to boil and simmer for 20 minutes. Remove from heat, add basil and wine and process in food processor.
2. In the empty stockpot, melt butter and in flour to make a roux. Cook roux slowly until medium brown. Gradually whisk in a bit of tomato mixture, then stir in the rest. Season with sugar and salt to taste.