Preheat the oven to 350°F (175°C).

Grease an 11 x 7 x 1 1/2 inch baking dish.

Place the chicken breasts in the prepared baking dish.

In a mixing bowl, combine the condensed cream of mushroom soup, mushrooms with liquid, sour cream, and cooking sherry or white wine.

Mix well.

Pour the mixture over the chicken breasts in the baking dish.

Sprinkle generously with paprika.

Bake in the preheated oven for about 1 to 1 1/4 hours, or until the chicken is tender.

Serve hot with fluffy rice.