This appetizer was one of the first things I learned to make 25 years ago when I first got to Commander's Palace restaurant. It's sweet, sour, salty, peppery and a touch bitter all at the same time.

Melt butter in large pot on medium heat. Add flour and stir constantly for five minutes. Add onions, celery, green onions and garlic and cook for five minutes, stirring occasionally. Add chicken broth ...