This baked chicken dish delivers Mediterranean flavors with minimal effort. The thighs emerge tender and juicy, bathed in a rich tomato sauce that develops depth as it slow-cooks in the oven.
Simple ingredients and a hands-off method make this a reliable weeknight meal. The sauce soaks into the chicken, creating a dish that tastes like it simmered for hours.
Ingredients for Baked Chicken Thighs in Tomato Sauce
Mediterranean pantry staples and chicken thighs create this rich, slow-cooked dish effortlessly.
| Ingredient | Amount | Notes |
|---|---|---|
| Bone-In Chicken Thighs 🍗 | 2 lb | Skin-on for crispiness |
| San Marzano Canned Tomatoes 🍅 | 1 can | Whole peeled, 28 oz size |
| Yellow Onion 🧅 | 1 whole | Medium, finely diced |
| Garlic Cloves 🧄 | 6 cloves | Minced for sauce |
| Extra-Virgin Olive Oil 🫒 | ¼ cup | High quality, fruity |
| Dried Oregano 🍃 | 2 tsp | Mediterranean variety preferred |
| Dried Basil 🌿 | 2 tsp | Crushed for better flavor |
| Red Pepper Flakes 🌶️ | ½ tsp | Adjust for heat preference |
| Tomato Paste 🍅 | 2 tbsp | For sauce depth |
| Kalamata Olives 🫒 | ½ cup | Pitted and halved |
| Capers 🌿 | 2 tbsp | Drained and rinsed |
| Diamond Crystal Kosher Salt 🧂 | 1 ½ tsp | Divided for seasoning |
| Freshly Ground Black Pepper 🌶️ | 1 tsp | Divided for seasoning |
| Fresh Flat-Leaf Parsley 🌿 | ¼ cup | Chopped, for garnish |
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The chicken thighs are non-negotiable here—bone-in, skin-on delivers that juicy tenderness and crispy skin the dish demands. Whole Foods and Trader Joe’s consistently carry high-quality options. For the tomatoes, San Marzano is the gold standard (look for DOP on the can), but any whole peeled tomatoes will work. The olives and capers add that briny Mediterranean punch—don’t skip them.
No San Marzano tomatoes? Regular canned tomatoes are fine, though you might add a pinch of sugar to balance acidity. Can’t find Kalamata olives? Green olives work in a pinch. Fresh herbs can replace dried at three times the amount. The tomato paste can be swapped with sun-dried tomato paste for a more concentrated flavor. If you’re out of oregano, marjoram is a close cousin.
This dish reheats beautifully, with flavors deepening overnight. Store in an airtight container for up to 4 days in the fridge or freeze for 3 months. The sauce thickens as it cools—perfect for spooning over pasta or polenta the next day.
Why You’ll Love This Recipe
- One Pan Wonder: I toss everything in a single dish—chicken, tomatoes, onion, garlic—and let the oven do the work.
- Rich Tomato Depth: San Marzano tomatoes and slow-baked garlic make the sauce so good I sop it up with bread.
- Weeknight MVP: Between us, this is my Tuesday night lifesaver when I need dinner fast but flavorful.
- Leftovers Gold: Honestly, it tastes even better the next day—perfect for lunch or another easy dinner.
Step-by-Step Instructions for Baked Chicken Thighs in Tomato Sauce
Master these steps to achieve tender chicken with a rich, Mediterranean-inspired tomato sauce.
Step 1: Sear the Bone-In Chicken Thighs
Pat the 2 lb Bone-In Chicken Thighs dry with paper towels. Season both sides with 1 tsp Freshly Ground Black Pepper and 1 tsp Diamond Crystal Kosher Salt. Heat 2 tbsp of the 0.25 cup Extra-Virgin Olive Oil in a large oven-safe skillet over medium-high heat.
Working in batches if necessary, place the chicken skin-side down and sear for 5-6 minutes until the skin is deep golden brown and crisp. Flip and sear the other side for 3-4 minutes. Transfer to a plate, leaving the rendered fat in the skillet.
Step 2: Build the Aromatic Tomato Base
Reduce heat to medium. Add the finely diced 1 whole Yellow Onion to the skillet and sauté for 4-5 minutes until softened and translucent. Stir in the minced 6 cloves Garlic Cloves, 2 tsp Dried Oregano, 2 tsp Dried Basil, and 0.5 tsp Red Pepper Flakes, cooking for 30 seconds until fragrant.
Add the 2 tbsp Tomato Paste and cook for 1-2 minutes, stirring constantly to deepen its color and flavor. This step builds the foundation for the sauce, ensuring rich, concentrated tomato taste.
Step 3: Simmer the Sauce with Mediterranean Flavors
Pour in the 1 can San Marzano Canned Tomatoes, crushing them by hand as they go into the skillet. Add the 0.5 cup Kalamata Olives and 2 tbsp Capers. Stir well and bring to a gentle simmer.
Return the chicken to the skillet, skin-side up, along with any accumulated juices. Reduce heat to medium-low and let the mixture simmer for 5 minutes, allowing the flavors to meld and the chicken to begin cooking in the sauce.
Step 4: Bake to Perfection
Preheat your oven to 375°F. Transfer the skillet to the oven and bake uncovered for 25-30 minutes, or until the chicken reaches an internal temperature of 165°F and the sauce has thickened slightly.
The sauce should be bubbling gently around the edges, and the chicken skin should remain crisp. If the sauce reduces too much during baking, add a splash of water to maintain the desired consistency.
Step 5: Garnish and Serve
Remove the skillet from the oven and let the chicken rest in the sauce for 5 minutes. This allows the juices to redistribute, ensuring moist, flavorful meat.
Sprinkle with the 0.25 cup Fresh Flat-Leaf Parsley and serve directly from the skillet. The parsley adds a fresh, bright contrast to the rich, savory sauce and perfectly cooked chicken.
Pro Tips For Making Baked Chicken Thighs In Tomato Sauce
- Brown the Skin First: Sear the chicken thighs skin-side down in a hot pan with 2 tablespoons of olive oil for 5-6 minutes until golden—this keeps the meat juicy and adds depth to the tomato sauce.
- Crush the Tomatoes: Hand-crush the San Marzano tomatoes before adding them to the dish; it breaks them down faster and makes the sauce thicker without extra simmering time.
- Skip the Overcrowding: I learned this the hard way—leave space between thighs in the baking dish so they crisp instead of steam in their own juices.
- Use the Onion Right: Slice the yellow onion thin and cook it until soft before adding tomatoes—it sweetens the sauce and balances the acidity of the San Marzano cans.
Make-Ahead Tips for This Dish
Prep Ahead Strategy
You can build the entire tomato base the night before. Sauté the onion, garlic, and spices, then add the tomato paste and San Marzano tomatoes. Let it cool, then refrigerate in your skillet or a sealed container. This deepens the flavors overnight. 💡
Chicken Prep
Pat the chicken thighs dry and season with salt and pepper up to 24 hours ahead. Store uncovered on a wire rack in the fridge. This dries the skin for extra crispiness when you sear it later.
Complete Assembly
Morning of cooking, just sear the chicken as directed, then add your pre-made sauce. The flavors will meld beautifully during baking. I often prep this before work for an easy dinner.
Freezer Method
Make the entire dish, let it cool completely, then freeze in an airtight container for up to 3 months. Thaw overnight in the fridge before reheating. The sauce actually improves with freezing.
Reheating Tips
For best results, reheat in a 350°F oven for 15-20 minutes until bubbling. Cover with foil if the sauce looks dry. Microwave works in a pinch, but the oven keeps the chicken skin crisp. ❄️
Sauce Consistency
If the sauce thickens too much in storage, stir in 2-3 tbsp water or chicken broth before reheating. This brings it back to the perfect spooning consistency without diluting the rich tomato flavor.
Nutrition Facts
Frequently Asked Questions
Can I use boneless chicken thighs instead?
Yes, but bone-in adds more flavor and helps keep the meat juicy. If using boneless, reduce baking time to 20-25 minutes to prevent drying out.
How do I know when the chicken is done?
The thighs are ready when they reach an internal temperature of 165°F. Use a meat thermometer for accuracy. The juices should also run clear when pierced.
What can I serve with this dish?
It pairs perfectly with crusty bread, polenta, or pasta to soak up the sauce. A simple green salad balances the rich flavors.
Can I make this ahead and reheat?
Store in an airtight container for up to 4 days in the fridge or freeze for 3 months. Reheat in a 350°F oven for best results.
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