Cheesy Chicken with stems

1 1/2 lbs boneless skinless chicken breasts (about four) salt and pepper 4 tablespoons butter 1 onion , chopped fine 1/4 cup all-purpose flour 1 cup low[...]

1 1/2 pounds chicken breast halves, boneless and skinless 4 breasts 1 x salt and black pepper * 2 tablespoons olive oil 2 tablespoons butter, unsalted 1 each[...]