Ingredients:  

1 roasted chicken, meat taken off bone (can use store bought rotisserie chicken)  
5 tablespoons butter  
3 cups sliced leeks  
3 tablespoon flour  
4 cups chicken stock  
4 cups heavy cream (heated)  
1 tablespoon tarragon, chopped  
Juice of 1 lemon  
Zest of one lemon  
1 teaspoon salt  
Grated Gruyere cheese (optional)  
Croutons (optional)  

Directions:
Once chicken has cooled, pull meat and set aside and cover with foil.  In a large soup pot melt butter.  Add leeks, 1 teaspoon salt and cook on medium until leeks are translucent.  Add flour and stir until it has a thick appearance.  While stirring add warmed cream, ½ cup at a time.  Add chicken stock, one cup at a time, stirring between.  Add tarragon, lemon juice and zest.  Stir until blended.  Place pulled chicken in pot until heated thoroughly. Serve with sourdough bread and fresh salad, wonderful lunch or dinner.