Easy Chicken without gumbo florets soup

4 boneless skinless chicken breast halves 2 tablespoons butter or 2 tablespoons margarine 2 tablespoons all-purpose flour 1 medium red onion , chopped 8[...]

2 leeks 4 pieces boneless skinless chicken breasts 1 pinch kosher salt freshly ground black pepper 2 tablespoons extra-virgin olive oil 1 cup dry white wine 1[...]

4 boneless skinless chicken breast halves 2 tablespoons butter or 2 tablespoons margarine 2 tablespoons all-purpose flour 1 medium red onion , chopped 8[...]