This caramelized onion chicken bake is cozy, savory, and so satisfying. You get juicy baked chicken smothered in sweet golden onions, melty cheese, and a little magic from the oven. It’s perfect for a chill night when you want something hearty but don’t feel like standing over the stove forever.
Why I Love This Recipe
I started making this when I had a bunch of onions and not much else in the fridge. It turned into one of those “wait…this is actually amazing” dinners. Now I make it on repeat. The combo of soft onions and cheesy chicken is just comfort food goals.
Here’s why it’s a keeper:
- 🧅 Caramelized onions are next-level delicious
- 🧀 Melted cheese makes it feel fancy with no extra work
- ⏱️ Mostly hands-off—just bake and done
- 🍗 Great with rice, mashed potatoes, or on its own
- 🧊 Leftovers are even better the next day
⏰ Time: 50 minutes
🍽️ Serves: 4
Ingredients
- 4 boneless, skinless chicken breasts
- 2 tbsp olive oil, divided
- 3 large yellow onions, thinly sliced
- 1 tsp sugar
- ½ tsp salt
- 1 tsp garlic powder
- 1 cup shredded mozzarella or provolone
- ½ cup chicken broth
- Fresh thyme or parsley for garnish (optional)
How to Make Caramelized Onion Chicken Bake
1. Caramelize the Onions
Heat 1 tbsp olive oil in a skillet over medium heat. Add sliced onions, salt, and sugar. Cook for 15–20 minutes, stirring often, until golden and soft.
2. Preheat the Oven
While onions cook, preheat your oven to 400°F.
3. Season the Chicken
Place chicken breasts in a baking dish. Drizzle with remaining olive oil and sprinkle with garlic powder, salt, and a little pepper.
4. Add Caramelized Onions & Broth
Spread the caramelized onions over the chicken. Pour chicken broth into the bottom of the dish.
5. Bake the Chicken
Bake for 25 minutes, uncovered, until chicken is cooked through.
6. Add Cheese and Finish Baking
Sprinkle the shredded cheese over the chicken. Return to oven for 5–7 more minutes, until melted and bubbly.
7. Garnish and Serve
Let rest a couple minutes, then top with fresh herbs and serve.
What to Serve With It
This dish is super versatile! Try it with:
- 🥔 Mashed potatoes or creamy polenta
- 🍚 Rice or quinoa
- 🥖 Crusty bread to scoop up the onions and sauce
- 🥬 Steamed green beans or roasted broccoli
- 🥗 Simple salad with balsamic dressing
FAQ
Can I use chicken thighs?
Totally! Just adjust the baking time a little—thighs usually take a few minutes longer.
Can I make this ahead?
Yes! You can caramelize the onions and even assemble everything ahead, then just bake when you’re ready.
What kind of cheese works best?
Mozzarella, provolone, gruyère, or even Swiss all melt beautifully here.
Can I freeze leftovers?
Yes, but the texture is best fresh. Store leftovers in the fridge for up to 3 days.
What if I don’t have broth?
You can use water with a splash of white wine or a little bouillon.
Enjoy!
This Caramelized Onion Chicken Bake is rich, flavorful, and made with simple ingredients. It’s a total comfort meal that you’ll want to put on repeat—especially when you need something warm and easy that tastes like home. 🧅🍗🧀