Bake biscuits according to package directions. Meanwhile, in a large skillet, saute the mushrooms, onion and celery in butter until crisp-tender. Stir in flour and salt until blended. Gradually stir in broth and milk. Bring to a boil; cook and stir for 2 minutes or until thickened.
Add chicken and pimientos; heat through. Serve with biscuits.
Comforting Chicken a la King Tips
Why is it called Chicken a la King?
Depending on who you ask, you may hear a different tale about how Chicken a la King got its name. One of the more popular origin stories is that William King created the dish in the 1890s when he was a cook at the Bellevue Hotel in Philadelphia.
Where is Chicken a la King from?
Since there are a few different origin stories surrounding Chicken a la King, there are different opinions on where it's from. Some claim the dish was first made in the United States, in either New York or Philadelphia. Others claim it originated across the pond in London, England.