Melt butter in a large saucepan. Add mushrooms and cook and stir for 5 to 6 min. Stir in flour and cook on low heat for 15 min stirring frequently.
Meanwhile, heat broth in a medium saucepan on medium heat. Add chicken and cook 6 to 7 min. Remove and set aside.
Add broth gradually to mushrooms stirring consistently. Cook on medium heat 5 min. Chop chicken add to soup. Stir in cooking creme and chives. Cook 2 to 3 min stirring frequently. Season with salt and pepper. Top with bacon.