This baked dish combines tender chicken, rich tomato sauce, and melted mozzarella for a comforting Italian-inspired meal. The flavors meld together beautifully during baking.
With simple ingredients and straightforward steps, you’ll create a satisfying main course that’s perfect for family dinners. The result is a bubbling, golden-topped delight straight from your oven.
Ingredients for Chicken Tomato Sauce Mozzarella
Tender chicken, rich sauce, and melty cheese make this Italian-inspired bake irresistible.
| Ingredient | Amount | Notes |
|---|---|---|
| Boneless Skinless Chicken Breasts 🍗 | 1 ½ lb | Pounded to even thickness |
| Olive Oil 🫒 | 2 tbsp | Extra-virgin for best flavor |
| Garlic Cloves 🧄 | 4 cloves | Minced finely for sauce |
| Yellow Onion 🧅 | 1 whole | Medium, finely diced |
| Canned Crushed Tomatoes 🍅 | 28 oz | San Marzano preferred |
| Tomato Paste 🍅 | 2 tbsp | For depth of flavor |
| Dried Oregano 🌿 | 1 tsp | Mediterranean variety ideal |
| Dried Basil 🍃 | 1 tsp | Crushed between fingers |
| Red Pepper Flakes 🌶️ | ½ tsp | Adjust for heat preference |
| Sea Salt 🧂 | 1 ½ tsp | Diamond Crystal preferred |
| Black Pepper 🌶️ | ½ tsp | Freshly ground for best taste |
| Shredded Mozzarella Cheese 🧀 | 2 cups | Low-moisture for baking |
| Fresh Basil Leaves 🌿 | ½ cup | Packed, for garnish |
| Grated Parmesan Cheese 🧀 | ½ cup | Parmigiano-Reggiano recommended |
The chicken needs to be evenly thick so it cooks through without drying out. Costco has great pre-packaged breasts—just slice them horizontally and pound. For the tomatoes, San Marzano cans (look for the DOP label) are worth the splurge. The olive oil should be something you’d happily drizzle on bread—California Olive Ranch is my go-to for everyday cooking.
No fresh basil for garnish? Dried basil at one-third the amount works in the sauce (but skip it as topping). Out of oregano? Marjoram at the same amount is a decent stand-in. Mozzarella can be fresh if you’re feeling fancy—just pat it very dry first so the dish isn’t watery. The tomato paste in a tube from Trader Joe’s is perfect for using just what you need.
Leftovers reheat beautifully—actually taste better the next day. Store in the fridge for up to 4 days or freeze for 3 months (thaw overnight before reheating). The baked dish holds well at room temp for about 30 minutes if you’re serving a crowd.
Why You’ll Love This Recipe
- One Pan Wonder: I toss everything in a single skillet—chicken, garlic, tomatoes—minimal cleanup, maximum flavor.
- Rich and Garlicky: The crushed tomatoes and fresh garlic create a sauce so deep and savory, it’s like a hug in food form.
- Feeds a Crowd: I’ve served this at Sunday dinner and weeknight meals alike—always a hit with family and friends.
- Budget Stretcher: Boneless chicken breasts and canned tomatoes keep it affordable, and leftovers reheat beautifully for lunch the next day.
Step-by-Step Instructions for Chicken Tomato Sauce Mozzarella
This method transforms simple ingredients into a bubbling, cheesy masterpiece with minimal effort.
Step 1: Prepare and Sear the Chicken
Start by pounding the 1.5 lb boneless skinless chicken breasts to an even ½-inch thickness. This ensures even cooking throughout. Season both sides generously with 1 tsp sea salt and 0.5 tsp black pepper.
Heat 2 tbsp olive oil in a large oven-safe skillet over medium-high heat. When the oil shimmers, add the chicken and sear for 4-5 minutes per side until golden brown and just cooked through. Transfer to a plate and set aside.
Step 2: Build the Tomato Sauce Base
In the same skillet, reduce heat to medium and add the finely diced yellow onion. Sauté for 3-4 minutes until softened and translucent. Add the minced 4 cloves garlic cloves and cook for 30 seconds until fragrant.
Stir in 2 tbsp tomato paste and cook for 1 minute to deepen its flavor. Pour in the 28 oz canned crushed tomatoes, then add 1 tsp dried oregano, 1 tsp dried basil, 0.5 tsp red pepper flakes, and remaining 0.5 tsp sea salt. Simmer for 10 minutes until thickened.
Step 3: Assemble and Bake
Return the chicken to the skillet, nestling it into the sauce. Sprinkle 2 cups shredded mozzarella cheese evenly over the top, followed by 0.5 cup grated parmesan cheese. The cheese should cover the chicken completely for that perfect melt.
Transfer the skillet to a preheated 400°F oven. Bake for 12-15 minutes until the cheese is bubbly and golden brown in spots. Keep an eye on it—you want that ideal blend of melted gooeyness and slight crisp on top.
Step 4: Finish and Serve
Remove from the oven and let rest for 5 minutes to allow the cheese to set slightly. This prevents a runny mess when serving. Garnish with 0.5 cup fresh basil leaves, torn or chopped, for a bright, fresh contrast to the rich, cheesy dish.
Serve hot, straight from the skillet. The sauce should be thick and cling to the chicken, with stretchy strands of cheese connecting each piece. This dish shines when the flavors meld together during baking, so resist the urge to dig in too quickly.
Pro Tips For Making Chicken Tomato Sauce Mozzarella
- Pound the Chicken: Use a rolling pin or meat mallet to even out the chicken breasts to ½-inch thickness before cooking—this guarantees they cook through at the same rate, so no more dry edges or raw centers.
- Sauté Onions Longer: Cook the yellow onions for at least 8-10 minutes until golden and sweet; I learned this the hard way when my sauce tasted harsh from undercooked onions.
- Drain the Tomatoes: Give the canned crushed tomatoes a quick drain in a colander for 30 seconds to remove excess liquid—this prevents a watery sauce that doesn’t cling to the chicken.
- Rest Before Melting: Let the cooked chicken rest 5 minutes under foil before topping with mozzarella; it keeps the juices inside where they belong instead of pooling on the plate.
Regional Styles of This Recipe
Italian Classic Style
This version stays true to Southern Italian roots. Use San Marzano tomatoes and fresh mozzarella for authentic flavor. I add 1 tsp fresh oregano instead of dried for a more vibrant taste. The dish bakes until the cheese forms a golden crust. 🗺️
American Comfort Twist
For a heartier take, swap crushed tomatoes for 24 oz marinara sauce and add ½ cup grated cheddar to the mozzarella. I like using Rao’s marinara for its rich, chunky texture. The result is a melty, saucy casserole-style dish.
Greek-Inspired Variation
Infuse Mediterranean flavors by stirring ½ tsp dried oregano and ½ tsp dried mint into the sauce. Top with ½ cup crumbled feta alongside the mozzarella. The feta adds a tangy contrast that brightens the dish beautifully.
Spicy Calabrian Version
Add 1 tbsp Calabrian chili paste to the tomato sauce for a Southern Italian kick. I also sprinkle ¼ tsp crushed red pepper over the cheese before baking. The heat balances perfectly with the creamy mozzarella. 🌶️
French Provençal Style
Incorporate Herbes de Provence by mixing 1 tsp into the sauce. Use Gruyère cheese instead of mozzarella for a nutty depth. The French touch makes this dish feel like a rustic bistro special.
Mexican Fusion
Swap the oregano for 1 tsp ground cumin and add ½ cup black beans to the sauce. Top with Monterey Jack cheese and fresh cilantro. This Tex-Mex version is a crowd-pleaser at my dinner table.
Nutrition Facts
Frequently Asked Questions
Can I use chicken thighs instead of breasts?
Yes! Bone-in, skin-on thighs work wonderfully and stay juicier. Sear them 6-7 minutes per side since they’re thicker. Remove the skin before baking to prevent sogginess from the sauce.
How do I prevent a watery sauce?
Simmer the tomato sauce uncovered for the full 10 minutes to reduce excess liquid. Also, pat the chicken dry before searing and use low-moisture mozzarella to avoid adding extra water to the dish.
What’s the best way to reheat leftovers?
Cover with foil and warm in a 350°F oven for 15-20 minutes until heated through. Microwaving works in a pinch, but the oven keeps the cheese gooey rather than rubbery.
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