3-Ingredient Chicken Charleston is a classic, retro comfort-food casserole that leans into vintage mid-century shortcut cooking. Despite its short ingredient list, it yields a surprisingly rich, savory-sweet glaze and melt-in-your-mouth tender meat.
The magic of the dish lies in how the ingredients interact: as it bakes, the French/Russian dressing breaks down with the natural juices of the onions to create a tangy, caramelized pan-sauce.
Ingredients
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6 bone-in, skin-on chicken thighs (Thighs stay much juicier during the long bake than breasts, and the skin protects the meat while building a rich flavor).
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1 large sweet onion (like a Vidalia), sliced into thick rings.
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1 cup bottled Russian dressing (The tangy, slightly spiced, tomato-based dressing acts as the primary marinade, thickener, and seasoning all at once).
Step-by-Step Instructions
1.Preheat and Prep:Get the oven ready.
Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish or an oval stoneware casserole dish.
2.Layer the Onions:Build the aromatic bed.
Arrange the sliced sweet onion rings in an even layer across the bottom of the baking dish. They will melt down into a soft, jammy bed as they cook.
3.Add the Chicken:Position the meat.
Place the chicken thighs skin-side up in a single layer right on top of the onion rings, making sure they aren’t heavily stacked.
4.Coat with Russian Dressing:Pour over the dressing.
Spoon the 1 cup of Russian dressing evenly over the chicken pieces, ensuring every thigh gets a generous coating.
5.Bake Covered:Steam and tenderize for 45 minutes.
Cover the baking dish tightly with aluminum foil. Bake for 45 minutes. This trapped steam tenderizes the chicken and softens the onions completely.
6.Bake Uncovered:Brown, caramelize, and finish.
Remove the foil, spoon some of the bubbling pan juices over the chicken, and return it to the oven uncovered for another 25 to 35 minutes. The surface will dry down into a glossy glaze, and the edges of the onions will caramelize.
7.Spoon and Serve:Rest before serving.
Let the chicken rest for 5 minutes so the juices redistribute, then serve with the jammy onions and pan sauce spooned generously over the top. It pairs exceptionally well over a bed of white rice or mashed potatoes.
