Chicken in Creamy Mustard Sauce has been saving weeknight dinners in my kitchen for longer than I can remember. There is something almost magical about how four humble ingredients can come together in under 15 minutes and taste like you have been cooking all afternoon. I still smile every time I make it, because it reminds me that the best meals do not have to be complicated.
Growing up on my grandmother’s farm in the Midwest, the kitchen was never quiet and it was rarely simple either. Sunday supper meant big pots, long hours, and the kind of aromas that would pull you in from the yard. But Grandma had a few tricks up her sleeve for the busy weeknights in between. She would sear whatever protein was on hand, then build a sauce right in the same pan. All those golden brown bits became the soul of the dish. The first time I watched her swirl cream and mustard together in that old cast iron skillet, the steam rising and the smell filling every corner of the kitchen, I knew I was witnessing something worth holding onto. That is exactly what this Chicken in Creamy Mustard Sauce is. Simple cooking done with intention. Now let us get that skillet hot.
Why This Chicken in Creamy Mustard Sauce Belongs in Your Weekly Rotation
Betty has always believed that a recipe earns its place in the rotation by showing up reliably. On tired Tuesdays, for impromptu guests, and for those nights when you open the fridge and wonder what on earth to make. This chicken dish does all of that and more. It looks like effort, tastes like a restaurant, and does not ask much of you in return.
- Ready in just 15 minutes, from cold pan to plated dinner without any rushing
- Only 4 base ingredients: chicken, cream, Dijon, and wholegrain mustard are all you need
- Works with chicken thighs or breast, so you can use whatever you have on hand
- No roux, no flour, no fuss. Dijon mustard naturally thickens the sauce for you
- Elegant enough for guests when finished with fresh tarragon and parsley
- Versatile enough to work with thin pork chops, turkey steaks, or white fish
Key Players in This Recipe
Boneless skinless chicken thigh fillets are Betty’s first choice here. They are naturally juicier than breast and require zero prep. If you only have breast on hand, that works too. Simply split each breast horizontally into two thin steaks and pound them to an even thickness so they cook through quickly and evenly.
Heavy cream forms the luscious base of this sauce. Always reach for thickened or heavy cream because it gives the sauce a head start on richness and body. You can use pouring cream in a pinch, but the sauce will be a touch thinner. Low-fat cream technically works, but you will miss that silky, restaurant-quality texture.
Dijon mustard is the backbone of this sauce. It delivers smooth, mellow mustard flavor and acts as a natural thickener. No need to simmer the sauce down or add anything starchy. A standard everyday brand works perfectly every time.
Wholegrain mustard is the visual and textural star. Those little mustard seed pops add gentle pungency and make the sauce look beautiful. Do not skip it. If you are in a pinch, simply add a bit more Dijon, but the wholegrain version is what gives this dish its character.
Fresh tarragon is optional but truly transformative. This soft herb carries a subtle anise flavor with gentle vanilla undertones, and it is a classic pairing with both cream and chicken in French cooking. Betty discovered it later in life and now will not make this sauce any other way when she has it on hand. Dried tarragon is not a suitable substitute. It simply does not have the same effect.
Fresh parsley adds a pop of brightness and color. It is more about visual appeal than flavor, but it makes the finished plate look stunning.
Olive oil for searing. Just 1.5 tablespoons to get a beautiful golden crust on the chicken.
How to Make Chicken in Creamy Mustard Sauce
Step 1. Season both sides of your chicken thighs generously with salt and pepper. If you are using chicken breast, slice each breast horizontally into two thin steaks and pound them to 1/2 inch even thickness before seasoning.
Step 2. Heat the olive oil in a large skillet, not a non-stick pan, over medium-high heat. A cast iron or stainless skillet builds up those gorgeous golden bits on the bottom called fond, and that fond is where the sauce gets all its depth.
Step 3. Place the chicken smooth side-down in the hot pan. For thighs, cook 4 minutes on the first side until deeply golden, then flip and cook another 3 to 4 minutes until the internal temperature reaches 162 degrees F. For breast, 2 minutes per side over high heat and a target of 153 degrees F is all you need.
Step 4. Remove the chicken to a plate to rest. Resting is a step Betty never skips. It lets the juices settle back into the meat so every bite stays moist and flavorful.
Step 5. Scrape out any loose burnt bits from the pan and discard them. You want the good golden fond, not any charred spots that would make your sauce bitter.
Step 6. Return the pan to medium heat. Add the heavy cream, Dijon mustard, and wholegrain mustard all at once. Stir with a wooden spoon, scraping up every bit of fond from the bottom of the pan as the mustard dissolves into the cream. This is the heart of your Chicken in Creamy Mustard Sauce.
Step 7. Once the sauce is hot but not simmering, stir in the salt, pepper, and fresh herbs if you are using them. If the sauce feels too thick, loosen it with a tablespoon of water at a time until it reaches the consistency you love.
Step 8. Plate the chicken, spoon the sauce generously over the top, and serve immediately. The recipe makes about 2/3 cup of sauce, which is plenty for the chicken and a little extra to drizzle over your sides.
Keeping This Dish Fresh
Leftovers of this Chicken in Creamy Mustard Sauce are genuinely wonderful if they make it to the fridge. Store everything together in an airtight container and it keeps beautifully for 3 to 4 days. The sauce actually deepens in flavor overnight, which makes a next-day lunch something to look forward to.
For reheating, Betty’s preferred method is a gentle warm on the stovetop over low heat. Add a small splash of water or cream to loosen the sauce back up and stir occasionally so it heats evenly without separating. Avoid high heat, which can cause a cream sauce to break.
This dish is not suitable for the freezer. Cream-based sauces tend to split and turn grainy when frozen and thawed, and the texture simply will not be the same. This one is best enjoyed fresh or within a few days.
What to Serve with Chicken in Creamy Mustard Sauce
The sauce in this dish is truly the star, so you will want sides that can soak it up and complement its rich, savory creaminess without competing with it.
- Creamy mashed potatoes are the classic partner. Buttery mash and mustard cream sauce are a match made in comfort food heaven.
- Steamed white rice is simple, clean, and perfect for letting the sauce shine.
- Crusty artisan bread is ideal for plate-mopping duties. Betty always sets a basket on the table when she makes this. Try our Parmesan Garlic Artisan Bread for the perfect pairing.
- Al dente pasta tossed lightly in the leftover sauce makes a French-inspired pasta side. Our Easy Chicken Fettuccine Alfredo uses a similarly rich skillet approach you will love.
- Rocket or arugula salad provides a refreshing contrast to the richness of the cream.
- Roasted vegetables like carrots, zucchini, or green beans roasted with olive oil balance the dish beautifully. Our Easy Honey Glazed Carrots and Green Beans are a natural companion.
- Lemon Garlic Butter Chicken and Green Beans served alongside makes for an impressive spread if you are feeding a crowd.
If you enjoy this style of quick, saucy skillet cooking, you will also love our Bacon Pork Chops with Dijon Cream Sauce and our Creamy Herb Chicken, both of which use the same fond-building technique for incredible depth of flavor.
FAQs
Absolutely. Slice each breast in half horizontally to create thin steaks, then pound them to 1/2 inch even thickness. Cook on high heat for just 2 minutes per side to keep them juicy.
Simply increase the Dijon by an extra teaspoon or two. The flavor will still be excellent. You will just miss the little seed pops and visual interest the wholegrain adds.
A stainless or cast iron skillet is always the best choice here. Non-stick surfaces prevent the fond from developing, and fond is what gives this otherwise simple sauce its incredible depth of flavor.
Chicken in Creamy Mustard Sauce
Ingredients
Equipment
Method
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Season both sides of the chicken with salt and pepper. If using breast, slice each breast horizontally into 2 thin steaks and pound to 1/2 inch even thickness.
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Heat the olive oil in a large cast iron or stainless steel skillet (not non-stick) over medium-high heat. Place chicken smooth side-down and cook for 4 minutes until deeply golden. Flip and cook another 3 to 4 minutes until the internal temperature reaches 162 degrees F (72 degrees C). For breast: cook on high heat for 2 minutes per side, targeting 153 degrees F (67 degrees C). Remove chicken to a plate to rest.
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Scrape out and discard any loose burnt bits from the pan, leaving the golden fond behind.
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Return the pan to medium heat. Add the cream, Dijon mustard, and wholegrain mustard. Stir with a wooden spoon, scraping up the fond from the bottom of the pan, until the mustard is fully dissolved and the sauce is hot but not simmering.
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Stir in the salt, pepper, and fresh herbs if using. If the sauce is too thick, add water one tablespoon at a time until you reach your desired consistency.
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Place the chicken on serving plates and spoon the sauce generously over the top. Serve immediately.

