Easy Chicken Stroganoff without penne

2 tablespoons butter 8 ounces sliced button mushrooms 1 lb boneless skinless chicken , poached and shredded 1 (28 ounce) can whole tomatoes , cut up 2[...]

2 -3 boneless skinless chicken breasts 1 (10 ounce) can cream of mushroom soup 1 cup sour cream (I use fat free) 1/2-1 cup chicken broth (vegetable works[...]

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