Name: Baked BBQ Chicken Breasts
Prep time: 30 min
Cook time: 55 min
Total time: 1 h 25 min
Cuisine: American
Ingredients: 1½ pounds boneless, skinless chicken breasts; 1½ teaspoons kosher salt; 1 teaspoon garlic powder; 1 teaspoon paprika; ½ teaspoon black pepper; ½ teaspoon cayenne powder; ½ teaspoon ground mustard; ½ teaspoon onion powder; 3 tablespoons extra virgin olive oil, divided (plus more if needed); 1 pound yellow onions, peeled, halved, and sliced into half-moons; 1 teaspoon granulated sugar; ½ cup chicken stock; ½ cup barbecue sauce; 1 teaspoon cornstarch; Salt and pepper to taste; ¼ cup parsley, loosely packed and minced

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I make this Baked BBQ Chicken Breasts recipe when I want something comforting, hearty, and full of bold flavor. The chicken turns out tender and juicy, baked in a rich barbecue sauce and topped with sweet, deeply caramelized onions. It’s a simple oven dinner that feels both cozy and satisfying.

Baked BBQ Chicken Breasts

Ingredients

(Tip: You'll find the full list of ingredients and measurements in the recipe card below.)

1½ pounds boneless, skinless chicken breasts

1½ teaspoons kosher salt

1 teaspoon garlic powder

1 teaspoon paprika

½ teaspoon black pepper

½ teaspoon cayenne powder

½ teaspoon ground mustard

½ teaspoon onion powder

1 tablespoon extra virgin olive oil

2 tablespoons extra virgin olive oil, divided (plus more if needed)

1 pound yellow onions, peeled, halved, and sliced into half-moons

1 teaspoon granulated sugar

½ cup chicken stock

½ cup barbecue sauce

1 teaspoon cornstarch

Salt and pepper to taste

¼ cup parsley, loosely packed and minced

Directions

I start by patting the chicken dry and placing it in a bowl. I add the kosher salt, garlic powder, paprika, black pepper, cayenne powder, ground mustard, onion powder, and 1 tablespoon olive oil. I stir everything well to coat the chicken evenly, then cover and refrigerate it for at least 30 minutes, or up to 24 hours for deeper flavor.

I preheat the oven to 425°F.

In a wide, ovenproof pot, I heat 1 tablespoon olive oil over medium-low heat. I add the sliced onions and sauté them for about 20 minutes, stirring occasionally. After that, I sprinkle in the sugar and continue cooking for another 10 to 15 minutes until the onions are deeply caramelized. If needed, I adjust the heat or add a little more oil. I transfer the onions to a bowl and wipe out the pot.

In a separate bowl, I whisk together the chicken stock, barbecue sauce, and cornstarch until smooth and set it aside.

Next, I heat the remaining tablespoon of olive oil in the same pot over medium-high heat. Once it’s shimmering, I add the chicken breasts and let them cook undisturbed for 4 to 5 minutes to develop a nice brown crust.

I flip the chicken, pour the prepared sauce over the top, and return the caramelized onions to the pot. I bring everything to a gentle boil, then turn off the heat.

I transfer the pot to the oven and bake for 20 to 25 minutes, basting occasionally with the sauce, until the chicken reaches an internal temperature of 165°F at the thickest part.

Once done, I remove the chicken and place it on a serving platter. I spoon the rich sauce and onions over the top and finish with freshly minced parsley before serving.

Servings and Timing

Prep Time: 30 minutes

Cooking Time: 55 minutes

Total Time: 1 hour 25 minutes

Servings: 4 servings

Calories: Approximately 420 kcal per serving

Variations

I sometimes swap the yellow onions for red onions for a slightly deeper sweetness and color. When I want extra smokiness, I use a smoky barbecue sauce or add a small splash of liquid smoke.

For a spicy twist, I increase the cayenne or stir a little hot sauce into the barbecue mixture. If I want to make it even heartier, I add sliced mushrooms to cook alongside the onions. I also like topping it with shredded cheese during the last few minutes of baking for a richer finish.

Storage/Reheating

I store leftovers in an airtight container in the refrigerator for up to 4 days. The flavors deepen nicely as it rests.

To reheat, I warm it gently in a covered skillet over low heat, adding a splash of chicken stock if the sauce has thickened too much. I can also microwave individual portions in short intervals, stirring the sauce between each round to keep the chicken moist.

For longer storage, I freeze the chicken and sauce together for up to 2 months. I thaw it overnight in the refrigerator before reheating.

FAQs

How do I know when the chicken is fully cooked?

I use a meat thermometer and check that the thickest part reaches 165°F. This ensures the chicken stays juicy and safe to eat.

Can I use chicken thighs instead of breasts?

Yes, I often substitute boneless, skinless thighs. I simply adjust the baking time slightly, as thighs may need a few extra minutes.

What type of barbecue sauce works best?

I use my favorite store-bought or homemade barbecue sauce. I find that smoky or honey-style sauces pair especially well with the caramelized onions.

Can I make this dish ahead of time?

Yes, I sometimes prepare the onions and season the chicken a day ahead. When ready to cook, I simply sear and bake as directed.

Is this recipe gluten-free?

It can be gluten-free if I use a certified gluten-free barbecue sauce and chicken stock. I always check labels to be sure.

Conclusion

I love how this Baked BBQ Chicken Breasts recipe delivers bold, comforting flavors with simple ingredients. The juicy chicken, rich sauce, and sweet caramelized onions create a balanced and satisfying meal that I can serve for family dinners or casual gatherings. It’s a dependable recipe that I return to whenever I want something hearty, flavorful, and easy to prepare.

📖 Recipe:

Baked BBQ Chicken Breasts

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Author: Cheryl
Total Time: 1 hour 25 minutes
Yield: 4 servings
Diet: Gluten Free

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Description

Juicy baked BBQ chicken breasts simmered in a rich, tangy sauce and topped with sweet caramelized onions. This comforting oven dinner is hearty, flavorful, and perfect for both weeknights and special gatherings.

Instructions

Pat the chicken dry and place in a bowl. Add kosher salt, garlic powder, paprika, black pepper, cayenne powder, ground mustard, onion powder, and 1 tablespoon olive oil. Mix well to coat evenly. Cover and refrigerate for at least 30 minutes, or up to 24 hours.
Preheat the oven to 425°F.
Heat 1 tablespoon olive oil in a wide ovenproof pot over medium-low heat. Add sliced onions and sauté for about 20 minutes, stirring occasionally. Sprinkle in sugar and continue cooking for 10 to 15 minutes until deeply caramelized. Adjust heat or add a little more oil if needed. Transfer onions to a bowl and wipe out the pot.
In a separate bowl, whisk together chicken stock, barbecue sauce, and cornstarch until smooth. Set aside.
Heat the remaining 1 tablespoon olive oil in the same pot over medium-high heat. Add the chicken breasts and cook undisturbed for 4 to 5 minutes until browned.
Flip the chicken, pour the prepared sauce over the top, and return the caramelized onions to the pot. Bring to a gentle boil, then turn off the heat.
Transfer the pot to the oven and bake for 20 to 25 minutes, basting occasionally, until the chicken reaches an internal temperature of 165°F.
Remove the chicken to a serving platter. Spoon the sauce and onions over the top and garnish with minced parsley before serving.