Cook 1 package instant long grain wild rice using direction on package. Skin and debone 6 chicken breast, rub with salt and black pepper, brown in skillet using butter. Pour rice in baking dish, top with chicken.
In sauce pan bring 1 can chicken/mushroom soup, 1 cup white wine, 1/2 cup chopped celery, 1/4 cup chopped onions, 1 small can mushrooms and 1 small jar pimentos to boil. Then pour all over chicken. Bake at 350 degrees for 35 minutes, covered, then bake about 15 minutes uncovered.