Chicken Tetrazzini with pimento

1 tablespoon margarine 3 cups sliced fresh mushrooms 1/3 cup minced onion 1/2 cup all-purpose flour 2 1/3 cups no-salt-added chicken broth , undiluted (I make[...]

1 (7 ounce) package spaghetti , uncooked 1 tablespoon reduced-calorie margarine 1 cup fresh mushrooms , sliced 1 cup onion , chopped 1 cup green pepper ,[...]

1 cup thinly sliced celery 1/2 cup diced onion 4 tablespoons unsalted butter 8 ounces button mushrooms , sliced 1 cup diced green bell pepper 1/2 cup[...]

1/2 cup onions sliced 1/4 cup margarine 1/4 cup flour, all-purpose 1/2 teaspoon salt 1/2 teaspoon sage ground * 1/4 teaspoon black pepper * 2 cups chicken[...]