Gorgonzola Cream Soup

Whisk flour with wine until smooth. Peel onion and chop finely. Heat butter in a saucepan and saute onion until soft. Add coarsely chopped gorgonzola and melt on low heat. Add wine with flour and mix until smooth, Add broth and bring to a boil. Reduce heat and simmer, stirring, for a few minutes. Rinse tomatoes and cut into quarters, remove seeds and cut into wedges.