In large pot heat butter and begins to brown. Add add onions, cook med. Until soft and brown. Increase heat to med high stir in port and balsamic. Add chicken stock. Add bacon and bouguet garni and bring to boil.

Reduce to simmer. Season with salt and pepper. Cook 45M-1hr skimming foam.

Ladle crocks. Pop croutons. Pile cheese.

Throw into crazy hot broiler for a few minutes.