This Chicken a la King recipe is true to the classic cozy meal with hearty chicken, mushrooms, green peas, and red pimentos in a flavorful from-scratch creamy sauce, and it's ready in just 30 minutes! Serve it over rice, noodles, biscuits, puff pastry, or toast.
Course Main Course
Cuisine American
Keyword Best Chicken a la King Recipe, Chicken a la King, Chicken a la King Recipe, Easy Chicken a la King, Old Fashioned Chicken a la King, Simple Chicken a la King Recipe
Add the butter to a medium-sized pot over medium heat. Once mostly melted, add the mushrooms and cook until starting to soften, about 3 to 5 minutes, stirring occasionally. Add the onion and cook until softened, about 5 minutes more, stirring occasionally.
Stir in the garlic and cook for 30 seconds, stirring constantly.
Stir in the flour and cook for 1 minute, stirring constantly.
Add the chicken stock, cream, salt, black pepper, cayenne pepper, and mustard powder, and bring up to a boil. Turn the heat down to simmer and cook 3 minutes.
Stir in the chicken, peas, pimentos, and lemon juice and cook until warm throughout, about 2 minutes.
Serve garnished with fresh parsley along with rice, noodles, biscuits, or puff pastry shells if desired.
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Notes
Storage and Reheating: Store leftovers covered in the fridge for up to 3 days or in the freezer for up to 3 months. This reheats well in the microwave or over low heat on the stovetop, stirring frequently. (If it was frozen, thaw to room temperature before reheating.)