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This baked chicken Casserole is everything you want on a weeknight — just three ingredients, minimal prep, and a rich, savory gravy that forms right in the pan. Bone-in chicken thighs and drumsticks bake up tender under a blanket of onion soup mix and cream of Chicken Soup, and the sauce that comes out of that Oven is the kind of thing you’ll want to spoon over everything on the plate.
Why You’ll Love It
- Three ingredients, real dinner — Not a “dump and call it a day” situation where you feel vaguely guilty afterward. This one actually tastes like you cooked.
- The sauce is the star — The gravy that forms under that foil is deep and oniony and absolutely needs to be spooned over whatever starchy thing you’re serving. Don’t skip this step.
- Bone-in chicken means you can’t overcook it (practically) — Thighs and drumsticks stay juicy way past the point where a chicken breast would dry out. There’s a lot of forgiveness built in here.
- Better the next day — If you have leftovers, the chicken basically braises overnight in the fridge in its own sauce and somehow improves. I don’t fully understand it either.
- Feeds a crowd without drama — Scale this up, use a bigger pan, done. It doesn’t care how many people you’re feeding.
A Few Notes on the Ingredients
Let’s talk about the onion soup mix, because I know some people have feelings about it. I don’t. It’s a packet of dried onions and salt and a bunch of other things I can’t pronounce, and it turns baked chicken into something that tastes like it Slow-cooked for hours. I use Lipton because that’s what’s at my grocery store, but the store brand works fine — I’ve done it both ways.
The condensed cream of chicken soup is the other piece. Don’t dilute it. You want the full, thick, concentrated stuff right out of the can — it’s what gives the sauce that body. Some cans are thicker than others, and if yours looks almost too stiff to spread, just add a couple tablespoons of water and stir until it loosens up a little. You’re not making a batter, just something spreadable.
The chicken itself is where I’ll push back a little if you’re thinking about using boneless breasts: don’t. You want bone-in, skin-on thighs and drumsticks. That’s the tavern-style part. The bones add flavor and the skin renders down during that uncovered baking time and turns a little golden and the whole thing gets glossy and a bit caramelized around the edges. If you only want to buy thighs, that works too — they stay even juicier than drumsticks and the gravy gets a little richer.
Ingredients
- 3 pounds bone-in, skin-on chicken thighs and drumsticks (or all thighs — see notes)
- 1 packet dry onion soup mix, about 1 ounce
- 1 can condensed cream of chicken soup, 10½ ounces
Instructions
Heat your oven to 350°F. Grease your baking dish — I use an oval casserole dish when I want it to look nice, a 9×13 the rest of the time. Either works.
Arrange the chicken pieces in the dish in a single layer, skin side up as much as possible. If a drumstick is rolling around, just prop it against a thigh. It doesn’t have to be perfect.
In a bowl, stir the dry onion soup mix into the condensed cream of chicken soup until it’s fully combined. It’ll be thick and a little salty-smelling and that’s correct. Spread this mixture over the chicken — you’re not trying to cover every inch of skin, just get it distributed reasonably well. The sauce will spread during baking.
Cover the dish tightly with foil. This part matters. Tightly. I’ve done it loosely and the chicken dries out on top before the inside finishes cooking. Bake it covered for 45 minutes.
Pull the foil off and continue baking for another 25 to 35 minutes. This is when the skin crisps up and the sauce around the edges starts to get dark and concentrated and deeply good. You’re looking for the chicken to hit 175°F at the thickest part — a little higher is fine with thighs, they can handle it. The skin should look browned and the sauce should be bubbling.
Let it rest for at least five minutes before you serve it. I know this is annoying when everyone is hungry and standing in the kitchen sighing at you, but the gravy settles a little during that rest and it spoons better. Trust me on this.
When you plate it, spoon the dark sauce from the bottom of the pan over everything. Don’t leave it in the dish. That’s the whole point.
Variations & Substitutions
If you want more color on the chicken at the end — and I often do, especially when I’m making this for company and want it to look a little more intentional — run it under the broiler for two or three minutes right at the end. Watch it closely. It goes from golden-brown to too dark faster than you’d think, and I have absolutely done that before. What you’re after is a little more color on the skin and some glossy caramelized edges on the sauce.
You can also do a version of this with cream of mushroom soup instead of cream of chicken. It’s earthier, a little more savory in a different direction, and works especially well if you’re serving it over egg noodles. Some people add a splash of Worcestershire into the soup mixture before spreading it — I’ve tried it, I think it adds something, but the dish doesn’t need it. It’s more of a “do this if you feel like it” kind of addition.
If you need to stretch this for a bigger table, you can absolutely fit four pounds of chicken in a 9×13 — just make sure everything is in a single layer and nothing is stacked. You might need to add five or ten minutes to the uncovered baking time, and check the temperature on the bigger pieces.
Storage & Reheating
Leftovers keep in the fridge for about three days, covered. The chicken continues to absorb the sauce as it sits, which is not a bad thing — if anything, day-two is when this dish is at its most flavorful. Reheat it in a 325°F oven covered with foil until warmed through, or in the microwave if you’re in a hurry. Add a splash of water or chicken broth if the sauce looks thick when you pull it out of the fridge — just a little loosens it back up nicely. I wouldn’t freeze this one if you can avoid it, mainly because the texture of the sauce gets a little grainy once it thaws, but it’s doable if you’re stuck.
Final Notes
Serve this with mashed Potatoes or buttered egg noodles or plain white rice — something with a flat surface that catches the gravy. That’s really the whole meal right there. I sometimes do green beans on the side because the color contrast is nice and it makes the plate look more like I planned it, but honestly a piece of bread to drag through the sauce is just as satisfying and requires zero additional effort.
I forgot to mention earlier that you can make this in the morning and just refrigerate the assembled unbaked dish until you’re ready to put it in the oven — works fine, just add about ten minutes to the covered baking time since it’s going in cold. That’s the kind of thing I wish someone had told me a long time ago.
Oven Baked 3-Ingredient Chicken Tavern
Ingredients
- 3 lb bone-in skin-on chicken thighs and drumsticks or all thighs
- 1 packet dry onion soup mix about 1 oz
- 1 can condensed cream of chicken soup 10.5 oz
Instructions
- Preheat the oven to 350°F and grease a 9x13-inch or oval casserole dish.
- Arrange the chicken pieces in a single layer in the prepared dish, skin side up as much as possible.
- In a bowl, stir the dry onion soup mix into the condensed cream of chicken soup until fully combined.
- Spread the soup mixture over the chicken pieces, distributing it evenly.
- Cover the dish tightly with foil.
- Bake covered for 45 minutes.
- Remove the foil and continue baking uncovered for 25–35 minutes, until the chicken reaches 175°F in the thickest part.
- Bake until the skin is browned and the sauce is bubbling and darkened around the edges.
- Let the chicken rest for at least 5 minutes before serving.
- Spoon the dark pan sauce over the chicken when plating.