Some dinners carry a story worth telling. Chicken Marengo traces back to 1800, when Napoleon’s chef reportedly improvised a meal after the Battle of Marengo using whatever could be foraged nearby. Whether the legend holds up historically is debatable, but the dish itself has stood the test of time for good reason. Tender chicken, earthy mushrooms, and a rich tomato sauce built in a single pan make this a dinner that feels both rustic and deeply satisfying.
This version keeps the classic framework intact while making it practical for a weeknight kitchen. One pan, straightforward technique, and about 50 minutes from start to table. It’s the kind of recipe that rewards patience with a sauce that smells incredible as it simmers.
Why You’ll Love This Classic One-Pan Chicken Marengo
The one-pan method means the sauce builds directly from the same pan where the chicken was browned, which is where most of the flavor lives. Nothing gets washed away between steps.
Dredging the chicken in flour before searing does two things: it creates that golden crust on the outside and naturally thickens the sauce as everything simmers together. It’s a small step with a big payoff.
This recipe also gets better with time. The tomato and mushroom sauce deepens overnight in the fridge, making Monday’s leftovers genuinely better than Sunday’s dinner. For anyone doing weekly meal prep, that’s a real advantage. The tomato base also keeps the chicken moist during reheating, unlike drier protein-forward dishes that suffer the next day.
It’s also flexible. Swap in chicken breasts if you prefer, add olives or a fried egg for a nod to the traditional presentation, or serve it over polenta, noodles, or crusty bread depending on what’s in the pantry.
Ingredients for Classic One-Pan Chicken Marengo
I prefer chicken thighs here over breasts. They hold up better through a 20-minute braise without drying out, and the slightly richer flavor pairs well with the acidity of the tomatoes. That said, breasts work if that’s what you have.
The Protein:
- 1.5 lbs boneless, skinless chicken thighs or breasts, cut into large chunks
- 2 tablespoons all-purpose flour, for dredging
- Salt and black pepper, to taste
The Sauce Base:
- 2 tablespoons olive oil
- 1 cup cremini mushrooms, sliced
- 1 small onion, diced
- 2 cloves garlic, minced
- 1/2 cup dry white wine (or chicken broth)
- 1 can (14.5 oz) crushed tomatoes
- 1 teaspoon dried thyme
Garnish:
- Fresh parsley, chopped
- Optional: black olives or a fried egg (traditional garnish)
On the mushrooms: Cremini mushrooms are my go-to because they have more depth than white button mushrooms and hold their texture during the simmer. Baby bella mushrooms are the same variety and work identically. Slice them about 1/4 inch thick so they cook evenly and don’t disappear into the sauce.
On the wine: A dry white wine like Pinot Grigio or Sauvignon Blanc works well. Avoid anything labeled “cooking wine,” which tends to be overly salty. If you’d rather skip the alcohol, chicken broth with a small squeeze of lemon juice replicates the acidity well.
On the tomatoes: Crushed tomatoes give the sauce body without being chunky. If you only have diced tomatoes, crush them briefly with your hands or a spoon before adding. San Marzano-style crushed tomatoes will give you a slightly sweeter result.
How to Make Classic One-Pan Chicken Marengo
The technique here is classic French braising scaled down for a home skillet. In my experience, the sear is the step most people rush, and it’s the one that matters most. Get the pan properly hot before the chicken goes in and resist the urge to move it too soon.
- Dredge and sear the chicken: Pat the chicken dry with paper towels, season generously with salt and pepper, then lightly coat each piece in flour. Heat olive oil in a large skillet over medium-high heat until shimmering. Add the chicken in a single layer and cook for 4 to 5 minutes per side without moving it until golden brown. Remove to a plate and set aside. The chicken won’t be fully cooked through yet, which is fine.
- Build the aromatics: In the same pan without washing it, add the mushrooms and diced onion. Cook over medium heat for 5 to 6 minutes, stirring occasionally, until the onions are soft and translucent and the mushrooms have released their moisture and started to brown. Add the garlic and cook for 1 minute until fragrant.
- Deglaze: Pour in the white wine and use a wooden spoon to scrape up every bit of the browned fond from the bottom of the pan. Those caramelized bits dissolve into the liquid and become the backbone of the sauce. Let the wine reduce for about 2 minutes.
- Simmer: Add the crushed tomatoes and dried thyme. Stir to combine, then nestle the chicken pieces back into the sauce, pushing them down so they’re partially submerged.
- Braise: Reduce heat to low, cover the pan, and simmer for 20 minutes until the sauce has thickened and the chicken reaches 165°F internally. Remove the lid for the last 5 minutes if you want a slightly thicker sauce.
- Garnish with chopped fresh parsley and serve warm.
Pro tip: Don’t skip deglazing, and don’t rush it. Two full minutes of reducing the wine cooks off the sharpness and concentrates the flavor before the tomatoes go in. It’s a short step that noticeably improves the finished sauce.
What to Serve with Classic One-Pan Chicken Marengo
The tomato and mushroom sauce is the main event, so the best sides are ones that give it somewhere to go.
Creamy polenta: This is the pairing I come back to most often. Soft, butter-finished polenta soaks up the braising sauce in a way that feels complete. It also adds a richness that balances the acidity of the tomatoes well.
Egg noodles: Wide egg noodles tossed with a small amount of butter work beautifully under this sauce. They’re quick to cook and handle the hearty tomato base without competing with it.
Crusty bread: The simplest option and often the best. A good loaf of sourdough or a crusty baguette for tearing and dragging through the sauce turns this into a very satisfying dinner with no extra cooking required.
Steamed green beans: A simple, lightly seasoned green vegetable alongside balances the richness of the dish. Green beans hold their texture well and take about 5 minutes to steam while the chicken finishes simmering.
Roasted garlic mashed potatoes: If you want something more substantial for a weekend dinner, mashed potatoes under the chicken and sauce make this feel like genuine comfort food.

Pro Tips & Variations
Use bone-in chicken thighs for more depth: Bone-in, skin-on thighs work in this recipe if you have extra time. Brown the skin side for 6 to 7 minutes to render the fat properly, then braise skin-side up to keep it from going soggy. Add 10 minutes to the simmer time.
Add pearl onions: Traditional Chicken Marengo often includes pearl onions. Frozen pearl onions added with the crushed tomatoes require no peeling and add a sweet, mild depth to the sauce.
Go non-alcoholic without losing acidity: Replace the wine with 1/2 cup chicken broth plus 1 tablespoon lemon juice or a splash of white wine vinegar. The brightness you get from wine comes primarily from its acidity, and this substitute replicates it well.
Add olives for a traditional touch: A handful of pitted black olives stirred in during the last 5 minutes of cooking adds a briny note that plays well against the tomatoes. It’s a small addition that shifts the flavor profile noticeably.
Make it gluten-free: Swap the all-purpose flour for rice flour or a gluten-free 1:1 blend. The dredge and the sauce behave nearly identically.
Storage & Reheating Tips
Store leftovers in an airtight container in the fridge for up to 4 days. I’d actually encourage making this a day ahead when possible. The sauce absorbs into the chicken overnight and the flavors settle into something noticeably richer than day one.
To reheat, add the chicken and sauce to a small saucepan over medium-low heat with a splash of chicken broth or water to loosen the sauce slightly. Heat for 5 to 7 minutes, stirring gently, until warmed through. The microwave works at 60% power for 2 minutes with a damp paper towel over the container.
This recipe freezes well. Portion into freezer-safe containers and freeze for up to 3 months. Thaw overnight in the fridge and reheat on the stovetop.
Common Questions
Can I make this in a Dutch oven instead of a skillet? Yes, and it works very well. A Dutch oven holds heat more evenly during the simmer, which can produce a slightly more consistent result. Use the same technique and timing. It’s also a good choice if you want to double the recipe.
My sauce seems too thin after 20 minutes. What should I do? Remove the lid and increase the heat to medium for an additional 5 to 8 minutes, stirring occasionally. The extra evaporation will bring it to the right consistency. The flour from the dredge helps thicken the sauce, but pan size and heat level affect how quickly it reduces.
Can I use canned diced tomatoes instead of crushed? Yes. Crush them roughly with a spoon or your hands before adding them to the pan to break them down slightly. The texture will be a little chunkier than with crushed tomatoes, but the flavor is comparable. Fire-roasted diced tomatoes are a particularly good option here if you want a slightly smokier undertone.
Classic Chicken Marengo is the kind of dinner that earns a permanent spot in a regular rotation. The technique is straightforward, the ingredients are pantry-friendly, and the result is a rich, deeply flavored one-pan meal that holds up beautifully for days. Give it a try any night you want something that feels a little more considered without much more effort.

Classic One-Pan Chicken Marengo
Ingredients
Equipment
Method
- Pat chicken dry, season with salt and pepper, and lightly dredge each piece in flour. Heat olive oil in a large skillet over medium-high heat until shimmering. Brown the chicken for 4 to 5 minutes per side until golden. Remove to a plate and set aside.
- In the same pan, add mushrooms and diced onion. Cook over medium heat for 5 to 6 minutes until onions are soft and mushrooms have browned. Add garlic and cook 1 minute until fragrant.
- Pour in the white wine and scrape up the browned bits from the bottom of the pan with a wooden spoon. Let reduce for 2 minutes.
- Add crushed tomatoes and dried thyme. Stir to combine. Nestle the chicken pieces back into the sauce, partially submerging them.
- Reduce heat to low, cover the pan, and simmer for 20 minutes until the sauce has thickened and the chicken reaches an internal temperature of 165°F. Remove lid for the last 5 minutes for a thicker sauce.
- Garnish with chopped fresh parsley and serve warm over polenta, egg noodles, or with crusty bread.
