Six chicken thighs, one slow cooker, and about fifteen minutes of actual work. That is what stands between you and a mushroom-and-wine sauce that tastes like it simmered all afternoon, because it did.
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The trick is browning the chicken and mushrooms first. That step takes ten minutes on the stove and gives the sauce a deep, savory base that slow cooking alone can never build.
Then you walk away. Four hours later you have tender chicken and a glossy sauce ready for mashed potatoes, egg noodles, or a loaf of crusty bread.
Why You'll Love This Recipe
About the Ingredients
2 pounds (900g) boneless, skinless chicken thighs (about 6 thighs)
Thighs tolerate the long cook far better than breasts. If you only have breasts, use them but check at 3 hours, since they dry out faster.
1 teaspoon kosher salt, plus more for the mushrooms
Kosher salt seasons more evenly than table salt. If using fine table salt, start with 3/4 teaspoon.
1/2 teaspoon freshly ground black pepper
Fresh-cracked pepper blooms in the hot pan. Pre-ground works in a pinch but tastes flatter.
3 tablespoons olive oil, divided
Use regular olive oil, not extra-virgin, for the high-heat sear. Avocado oil is a fine substitute.
12 ounces (340g) cremini mushrooms, sliced 1/4 inch thick
Cremini has more flavor than white buttons. If you find only buttons, add a splash of soy sauce to deepen the sauce.
1 medium shallot, finely chopped (about 1/3 cup)
Shallots are milder than onions and melt into the sauce. A small yellow onion, minced, is the closest swap.
3 garlic cloves, minced
Fresh garlic only here; the jarred kind turns bitter over a long cook. Mince it right before it goes in the pan.
1 cup (240ml) dry Marsala wine
Dry Marsala, not sweet, is essential for a savory sauce. Dry sherry or Madeira are the best substitutes.
3/4 cup (180ml) low-sodium chicken broth
Low-sodium lets you control the final seasoning. Water plus a teaspoon of better-than-bouillon also works.
2 tablespoons cornstarch whisked with 2 tablespoons cold water
This slurry thickens the sauce at the end. Arrowroot starch works the same way but thickens at a lower heat.
2 tablespoons cold unsalted butter, cut into pieces
Cold butter emulsifies the sauce and gives it shine. Do not skip this; margarine will not emulsify the same way.
2 tablespoons chopped fresh parsley, for serving
Flat-leaf parsley is the classic finish. Thin-sliced scallion greens are a good stand-in.
Tips & Tricks
Do not skip the sear
browning the chicken and mushrooms on the stove builds the flavor the slow cooker cannot create on its own.
Thicken at the very end
stir the cornstarch slurry in during the last 15 minutes on High, then whisk in cold butter once the cooker is off.
Season the sauce, not just the chicken
taste after thickening, since slow cookers mute salt over time.
- Keep the heat moderate when adding the wine: pour it in off the heat and let it bubble for a full minute so the alcohol cooks off before the lid goes on.
Pro Tips
Step-by-Step Instructions
1. Dry and Season the Chicken
Pat the thighs dry with paper towels and season both sides with the salt and pepper. Dry chicken is the difference between a golden crust and a pale, steamed one.
2. Sear the Chicken
Heat 2 tablespoons olive oil in a 12-inch skillet over medium-high heat (400F / 205C). Sear the thighs 3 to 4 minutes per side until golden brown, then transfer them to the slow cooker; they will not be cooked through yet, which is fine.
3. Brown the Mushrooms
Add the remaining 1 tablespoon oil and the mushrooms to the same skillet. Cook 5 to 6 minutes over medium-high heat (400F / 205C) without stirring much, until the edges are deeply browned and the pan looks almost dry.
4. Soften Shallot and Garlic
Lower the heat to medium (350F / 175C), add the shallot and garlic, and stir 60 seconds until fragrant and translucent. Do not let the garlic brown or it will taste sharp.
5. Deglaze with Marsala
Pour in the Marsala and scrape up the browned bits with a wooden spoon. Simmer 2 minutes until the sharp alcohol smell fades and the liquid reduces by about a third, then stir in the broth.
6. Load the Slow Cooker
Pour the mushroom mixture over the chicken, cover, and cook on Low for 4 hours or High for 2 1/2 hours, until the chicken shreds easily with a fork and reads 200F to 205F (93C to 96C) at the thickest point.
7. Thicken the Sauce
Whisk the cornstarch slurry, stir it into the cooker, cover, and cook on High 15 minutes until the sauce bubbles at the edges and coats the back of a spoon.
8. Finish with Cold Butter
Turn off the cooker, drop in the cold butter, and swirl the pot gently until it melts into a glossy sauce. Scatter parsley over the top and serve.
Delicious Variations
Creamy Marsala
Stir 1/4 cup heavy cream in with the butter at the end for a richer, paler sauce.
Mushroom-Forward Version
Add 4 ounces of sliced shiitakes alongside the cremini for a deeper, woodsier flavor.
Herb Marsala
Tuck 3 sprigs of fresh thyme into the cooker with the chicken and pull them out before serving.
How to Store Slow Cooker Chicken Marsala
Refrigerator
Store in an airtight container in the refrigerator for up to 4 days; the sauce thickens as it chills.
Freezer
Freeze the chicken and sauce together for up to 3 months, then thaw overnight in the refrigerator before reheating.
Reheating
Reheat gently on the stovetop over medium-low heat (300F / 150C) with a splash of broth, stirring until the sauce loosens, about 5 minutes.
Frequently Asked Questions
Q: Can I put frozen chicken in the slow cooker for this recipe?
No, you should thaw the chicken first for this dish. The searing step requires dry, thawed meat, and starting from frozen also keeps the chicken in the unsafe temperature zone too long.
Q: What can I use instead of Marsala wine?
Dry sherry and Madeira are the closest substitutes, both one-for-one. If you need an alcohol-free version, use 1 cup of chicken broth plus 2 tablespoons of balsamic vinegar and a pinch of sugar.
Q: Can I use chicken breasts instead of thighs?
Yes, but shorten the cook time to about 3 hours on Low and check early. Breasts dry out faster, so pull them as soon as they reach 165F (74C).
Q: Why did my sauce turn out thin?
The sauce is thin because the cornstarch slurry was added too early or without enough heat. Add it in the last 15 minutes on High and let the sauce bubble before serving.
Q: What should I serve with chicken marsala?
Mashed potatoes, egg noodles, or polenta are the best choices because they soak up the sauce. Crusty bread works if you want something faster.
This week, set out your slow cooker on a Tuesday morning and let the sear-and-simmer do the rest. One skillet, one pot, and dinner handles itself. Keep it simple, keep it steady.
Slow Cooker Chicken Marsala
Slow cooker chicken marsala delivers fork-tender chicken in a rich mushroom wine sauce with almost no hands-on work, made for busy weeknights.
🧂 Ingredients
- 2 pounds (900g) boneless, skinless chicken thighs (about 6 thighs)
- 1 teaspoon kosher salt, plus more for the mushrooms
- 1/2 teaspoon freshly ground black pepper
- 3 tablespoons olive oil, divided
- 12 ounces (340g) cremini mushrooms, sliced 1/4 inch thick
- 1 medium shallot, finely chopped (about 1/3 cup)
- 3 garlic cloves, minced
- 1 cup (240ml) dry Marsala wine
- 3/4 cup (180ml) low-sodium chicken broth
- 2 tablespoons cornstarch whisked with 2 tablespoons cold water
- 2 tablespoons cold unsalted butter, cut into pieces
- 2 tablespoons chopped fresh parsley, for serving
📋 Instructions
- 1Dry and Season the Chicken — Pat the thighs dry with paper towels and season both sides with the salt and pepper. Dry chicken is the difference between a golden crust and a pale, steamed one.
- 2Sear the Chicken — Heat 2 tablespoons olive oil in a 12-inch skillet over medium-high heat (400F / 205C). Sear the thighs 3 to 4 minutes per side until golden brown, then transfer them to the slow cooker; they will not be cooked through yet, which is fine.
- 3Brown the Mushrooms — Add the remaining 1 tablespoon oil and the mushrooms to the same skillet. Cook 5 to 6 minutes over medium-high heat (400F / 205C) without stirring much, until the edges are deeply browned and the pan looks almost dry.
- 4Soften Shallot and Garlic — Lower the heat to medium (350F / 175C), add the shallot and garlic, and stir 60 seconds until fragrant and translucent. Do not let the garlic brown or it will taste sharp.
- 5Deglaze with Marsala — Pour in the Marsala and scrape up the browned bits with a wooden spoon. Simmer 2 minutes until the sharp alcohol smell fades and the liquid reduces by about a third, then stir in the broth.
- 6Load the Slow Cooker — Pour the mushroom mixture over the chicken, cover, and cook on Low for 4 hours or High for 2 1/2 hours, until the chicken shreds easily with a fork and reads 200F to 205F (93C to 96C) at the thickest point.
- 7Thicken the Sauce — Whisk the cornstarch slurry, stir it into the cooker, cover, and cook on High 15 minutes until the sauce bubbles at the edges and coats the back of a spoon.
- 8Finish with Cold Butter — Turn off the cooker, drop in the cold butter, and swirl the pot gently until it melts into a glossy sauce. Scatter parsley over the top and serve.
