3-Ingredient Baked Onion Chicken

This incredibly easy, budget-friendly 3-Ingredient Baked Onion Chicken requires almost zero prep work! Juicy, bone-in chicken is baked in a rich, caramelized onion gravy for the ultimate homestyle comfort food dinner.

Prep Time: 5 minutes  |  Cook Time: 1 hour 20 minutes  |  Total Time: 1 hour 25 minutes  |  Servings: 6

If you are looking for a dinner that is incredibly easy, deeply comforting, and packed with old-fashioned flavor, this 3-Ingredient Baked Onion Chicken is exactly what you need. It features juicy, bone-in chicken pieces baked in a rich, savory, and caramelized onion gravy. It is the ultimate hands-off meal for a busy weeknight or a cozy Sunday supper.

The magic of this recipe lies in its simplicity. The combination of condensed cream of chicken soup and dry onion soup mix creates a thick, flavorful sauce that clings to the chicken and bakes into a beautiful, golden glaze. Using bone-in, skin-on chicken ensures the meat stays incredibly moist and tender throughout the baking process.

Why This Recipe Works

This recipe relies on the magic of oven baking and a few simple ingredients. The bone-in chicken pieces cook gently in the oven, staying juicy and flavorful. Covering the dish for the first half of baking traps the steam, ensuring the chicken cooks through without drying out. Removing the foil for the second half allows the skin to crisp up and the onion glaze to caramelize beautifully.

Ingredients

  • 3 to 4 pounds bone-in chicken pieces (legs, thighs, or bone-in breasts, skin on)
  • 1 (10.5-ounce) can condensed cream of chicken soup
  • 1 (1-ounce) packet dry onion soup mix

Instructions

  1. Preheat and Prep: Preheat your oven to 350°F (175°C). Set out a 9×13-inch glass baking dish.
  2. Prep Chicken: Pat the chicken pieces dry with paper towels. This helps the skin brown and keeps the sauce from getting too watery. Arrange the chicken in a single layer in the glass baking dish, skin side up, with a little space between pieces if possible.
  3. Mix Sauce: In a medium bowl, stir together the condensed cream of chicken soup and the dry onion soup mix until well combined. It will be thick and speckled with onion bits.
  4. Coat Chicken: Spoon or pour the soup mixture evenly over the chicken pieces, spreading it so each piece is well coated. The bottom of the dish will have some sauce around the chicken, which will turn into a rich glaze as it bakes.
  5. First Bake (Covered): Cover the baking dish tightly with foil and place it on the middle rack of the preheated oven. Bake covered for 45 minutes. This helps the chicken cook through and stay juicy while the flavors soak in.
  6. Baste: After 45 minutes, carefully remove the foil (watch for steam). Baste the chicken by spooning some of the pan sauce over the tops of the pieces. Return the dish to the oven, uncovered.
  7. Second Bake (Uncovered): Continue baking, uncovered, for another 25 to 35 minutes, or until the chicken is cooked through, the skin is golden, and the onion soup glaze is bubbling and starting to caramelize around the edges. The internal temperature of the thickest part of the chicken should reach at least 165°F (74°C). (Optional: If you’d like the top a bit more browned, you can move the dish up one rack for the last 5 to 10 minutes, keeping a close eye so the glaze doesn’t burn).
  8. Rest and Serve: Remove the dish from the oven and let the chicken rest for about 5 to 10 minutes. The sauce will thicken slightly as it cools. Spoon the caramelized onion glaze over the chicken when serving, making sure each portion gets some of the rich juices from the bottom of the dish.

Tips for the Best Results

Pat the chicken dry. Removing excess moisture helps the skin brown and prevents the sauce from becoming watery.

Use bone-in, skin-on chicken. This cut of chicken stays incredibly moist and flavorful during the long baking time. Boneless, skinless chicken can dry out quickly.

Watch the steam. When you remove the foil after the first bake, be careful. The trapped steam is very hot and will rush out as soon as the foil is lifted.

Baste the chicken. Spooning the pan sauce over the chicken during the uncovered bake keeps the meat moist and helps the glaze caramelize beautifully.

Let it rest. The 5 to 10 minutes of resting time after baking allows the juices to redistribute into the meat, ensuring every bite is moist and tender.

Storage and Serving

Store leftover chicken and sauce in an airtight container in the refrigerator for up to 4 days. Reheat gently in the microwave or in a 350°F oven until warmed through. Serve it over mashed potatoes, white rice, egg noodles, or with a crusty piece of bread to soak up the delicious gravy.

Simple, savory, and completely hands-off, this 3-Ingredient Baked Onion Chicken is a fantastic recipe to keep in your rotation for easy weeknight dinners.

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