creamy chicken pasta with butter

3 tablespoons butter , clarified 2 boneless skinless chicken breasts , diced into 3/4 inch cubes 1/2 lb mushroom , sliced 1/4 cup pimiento , sliced 1/4 black[...]

2 cups uncooked penne or 2 cups penne pasta 2 cups sliced fresh mushrooms 1 cup sliced green onion 2 tablespoons butter 1/2 cup white wine or 1/2 cup chicken[...]