Chicken & Rice Casserole

1/4 cup margarine (1/2 a stick) 1/3 cup flour 1 teaspoon salt 1/4 teaspoon pepper 1 cup strong chicken broth (make with 2 bouillon cubes) 1-1/2 cups milk 2 cups cooked rice (leftovers are great) 2 cups cooked, cubed chicken or turkey 4 oz can mushrooms, drained 1 cup frozen peas 2 oz jar pimiento […]