A casserole dish bubbling in the oven is the heartbeat of a winter kitchen. This recipe is a nod to old-school country cooking with simple ingredients, a single skillet, and a baking dish coming together to create something far greater than the sum of its parts.
This isn’t a soup or a stew, but a rich, baked fricassee. Succulent chicken thighs are seared and then bathed in a velvety, savory sauce made from white mushrooms, scallions, and dry sherry. The sherry adds a nutty, complex depth that elevates the dish from a simple weeknight meal to something worthy of Sunday dinner. As it bakes, the sauce thickens and glazes the chicken, resulting in a golden, aromatic dish best served piping hot.
Prep time: 20 minutes Cook time: 35 minutes Yields: Serves 4
The Ingredients
- 1 ¾ lbs chicken thighs (boneless or bone-in), diced
- 1 tsp sweet paprika
- Salt and ground black pepper
- 4 tbsp unsalted butter, divided
- 8 oz white mushrooms, sliced
- 4 scallions, thinly sliced (white and green parts)
- ¼ cup all-purpose flour
- ¾ cup chicken broth
- 3 tbsp dry sherry
- 1 sprig fresh rosemary
Instructions
- Preheat: Preheat your oven to 350°F (175°C). Have a 9-inch casserole dish or baking pan ready.
- Sear the Chicken: Sprinkle the diced chicken generously with the sweet paprika, salt, and black pepper. In a large skillet, melt 2 tablespoons of the butter over medium heat. Add the chicken and cook until it is light golden brown. It doesn’t need to be cooked through, just browned for flavor.
- Arrange: Transfer the chicken to your casserole dish, arranging it in a single even layer.
- Sauté Aromatics: In the same skillet (don’t wipe it out!), add the remaining 2 tablespoons of butter. Add the sliced mushrooms and scallions. Cook, stirring occasionally, until they are softened, lightly browned, and most of the liquid released by the mushrooms has evaporated.
- Make the Sauce: Sprinkle the flour over the mushroom mixture. Stir continuously for a minute to cook out the raw flour taste. Pour in the chicken broth and the dry sherry. Toss in the whole rosemary sprig.
- Thicken: Cook while stirring until the sauce bubbles, becomes smooth, and thickens up—this should take about 1 minute.
- Combine: Pour the thick mushroom and sherry sauce evenly over the chicken in the casserole dish. Give it a gentle stir to ensure the chicken is coated.
- Bake: Bake for about 25 minutes, or until the top is dark golden brown and bubbling, and very little liquid remains (it should look like a glaze rather than a soup).
- Serve: Remove the rosemary sprig and discard. Serve hot, perhaps over rice or mashed potatoes to catch the sauce.
Notes from the Kitchen
- Sherry Substitutions: Dry sherry provides a specific nutty flavor, but if you don’t have it, you can substitute a dry white wine (like Sauvignon Blanc) or even apple cider vinegar (use slightly less) for a different kind of acidity.
- The Chicken: Thighs are preferred here because they stay juicy during the double-cooking process (searing then baking). Breast meat tends to dry out in this style of casserole.
- Serving: This dish is rich. It pairs beautifully with a simple green salad with a vinaigrette to cut through the savory butter sauce.
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Baked Chicken and Mushrooms with Sherry Sauce
A rich and hearty casserole featuring golden seared chicken thighs smothered in a velvety mushroom and scallion sauce. Spiked with dry sherry and fresh rosemary, this baked dish creates its own savory glaze in the oven. It is the epitome of rustic comfort food, perfect for a cozy winter dinner served over mashed potatoes.
