1 (1 ounce) square unsalted butter
1 cup chopped onion
2 tablespoons all-purpose flour
2 tablespoons distilled white vinegar
1 (10.75 ounce) can condensed cream of chicken soup
1 (8 ounce) can cooked chicken breast, drained
4 (5 ounce) cans chicken broth
1 tablespoon lime juice
2 tablespoons citrus zest
1 (8 ounce) can sliced mushrooms
1/2 teaspoon paprika
2 tablespoons Worcestershire sauce
1 tablespoon black pepper
1 teaspoon cooking wine
1 tablespoon olive oil
1 cup uncooked white rice
Preheat oven to 350 degrees F (175 degrees C).
In a medium bowl, mix the butter, onion, flour, vinegar, cream of chicken soup and chicken breast. Season with mushrooms, paprika, Worcestershire sauce, chicken broth and lime juice. Mix thoroughly and arrange rice in a shallow baking dish.
Bake in preheated oven for 1 hour, or until chicken is cooked through and golden on all sides. Serve hot or cold.