I’ll be honest—for the longest time, I thought honey mustard was just something that came in little packets at fast food restaurants. You know, the ones you’d dip your chicken nuggets in and then forget about? It wasn’t until a few years ago that I realized you could actually make it at home, and even better, turn it into a real dinner sauce.

This slow cooker honey mustard chicken is pretty much foolproof. You throw everything in, let it cook while you’re doing other things, and come back to chicken that’s tender and covered in a sauce that’s tangy, a little sweet, and way better than anything from a packet. The arrowroot powder helps thicken the sauce so it’s not watery, and the coconut milk makes it creamy without feeling heavy. It’s the kind of meal that feels like you put in more effort than you actually did.

Why You’ll Love This Honey Mustard Chicken

Set it and forget it – Just toss everything in your slow cooker in the morning, and dinner is ready when you walk through the door after a busy day.
Sweet and tangy flavor – The honey and dijon mustard create a perfectly balanced sauce that’s not too sweet and not too sharp, making it a hit with the whole family.
Juicy, tender chicken – Cooking the chicken thighs low and slow ensures they come out fall-apart tender every single time.
Minimal ingredients – You probably have most of these pantry staples on hand already, so no special shopping trip required.
Gluten-free and dairy-free – Using arrowroot powder and coconut milk makes this naturally friendly for those avoiding gluten and dairy.

What Kind of Chicken Should I Use?

Chicken thighs are the star of this recipe, and you can use either bone-in or boneless depending on what you have on hand. Bone-in thighs will give you a bit more flavor and tend to stay juicier during the long cooking time, but boneless thighs are easier to serve and eat. If you’re watching your fat intake, you can remove the skin before cooking, though leaving it on will add more richness to the sauce. Just keep in mind that if you decide to swap in chicken breasts instead, you’ll want to reduce the cooking time since they can dry out more easily in the slow cooker.

Options for Substitutions

This recipe is pretty forgiving when it comes to swaps, so here are some options if you need to make changes:

Chicken thighs: You can use chicken breasts instead, but keep in mind they’ll cook faster and can dry out more easily. Check them around the 3-hour mark instead of letting them go the full time.
Dijon mustard: Regular yellow mustard works fine here, though the flavor will be a bit milder. You can also try whole grain mustard for a different texture.
Honey: Maple syrup or agave nectar can replace honey in equal amounts. Brown sugar works too – use about 3 tablespoons and add a splash more chicken broth.
Arrowroot powder: Cornstarch is an easy swap – use the same amount. Mix it with a bit of cold water before adding to avoid clumps.
Coconut milk: Heavy cream or half-and-half will give you that creamy finish. If you want to keep it dairy-free, try cashew cream or even plain Greek yogurt stirred in at the end.
Chicken broth: Vegetable broth works just as well, or you can use water with a bit of extra salt to taste.

Watch Out for These Mistakes While Cooking

The biggest mistake with slow cooker chicken thighs is lifting the lid to check on them too often, which releases heat and can add an extra 20-30 minutes to your cooking time – trust the process and resist peeking until the final hour.

Another common error is skipping the arrowroot powder coating step, which helps create a thicker sauce and prevents the chicken from becoming waterlogged during the long cooking time.

Make sure not to overcrowd your slow cooker by stacking the thighs too high, as the pieces on top won’t cook evenly – arrange them in a single layer if possible, or at most two layers with the smaller pieces on top.

Finally, avoid cooking on high heat to “speed things up,” since chicken thighs need that low and slow approach to break down properly and stay tender rather than turning rubbery.

What to Serve With Honey Mustard Chicken?

This honey mustard chicken pairs really well with simple sides that can soak up all that delicious sauce. I love serving it over fluffy white rice or creamy mashed potatoes, which are perfect for catching every bit of the sweet and tangy glaze. Roasted vegetables like carrots, green beans, or broccoli make a great addition and add some color to your plate. If you want something lighter, a crisp side salad with a lemon vinaigrette balances out the richness of the chicken nicely.

Storage Instructions

Store: This honey mustard chicken keeps really well in the fridge for up to 4 days in an airtight container. The sauce actually gets even better as it sits, so it’s great for meal prep. I like to portion it out with some rice or veggies for easy grab-and-go lunches throughout the week.

Freeze: You can freeze the chicken and sauce together for up to 3 months in a freezer-safe container or bag. Just make sure everything is completely cooled first. I usually freeze it in individual portions so I can thaw just what I need.

Reheat: Warm it up gently on the stovetop over medium-low heat, stirring occasionally until heated through. You can also microwave it, but I’d recommend doing it in 1-minute intervals on medium power to keep the chicken from drying out. If the sauce seems too thick after reheating, just add a splash of chicken broth to loosen it up.

Preparation Time	10-15 minutes
Cooking Time	6 hours
Total Time	6 hours 10 minutes
Level of Difficulty	Easy
Servings	8 servings

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

Calories: 1700-1850
Protein: 140-155 g
Fat: 95-110 g
Carbohydrates: 35-45 g

Ingredients

For the chicken:

8 chicken thighs (excess fat trimmed off)
2 tbsp arrowroot powder (tossed with chicken to help sauce thicken)

For the sauce:

1/2 cup dijon mustard (I prefer Grey Poupon for a sharper kick)
3 tbsp honey
1 tsp paprika
1 tsp salt
1/2 tbsp garlic powder
1/4 cup chicken broth (I use Swanson organic chicken broth)
1/3 cup coconut milk (full-fat for a richer, creamier sauce)
1/4 tsp black pepper

Step 1: Prepare the Chicken and Build the Sauce Base

8 chicken thighs
1/2 cup dijon mustard
3 tbsp honey
1/4 cup chicken broth
1/3 cup coconut milk
1 tsp paprika
1 tsp salt
1/2 tbsp garlic powder
1/4 tsp black pepper

Trim any excess fat from the chicken thighs and pat them dry with paper towels—this helps them brown better and prevents the sauce from becoming greasy.

In a small bowl, whisk together the dijon mustard, honey, chicken broth, and coconut milk until smooth and well combined.

In a separate small bowl, mix the paprika, salt, garlic powder, and black pepper.

Set both mixtures aside.

I like to prepare these components while the slow cooker is preheating because it keeps everything moving smoothly.

Step 2: Coat Chicken and Arrange in Slow Cooker

2 tbsp arrowroot powder
mustard-honey sauce mixture from Step 1

Place the arrowroot powder in a bowl or large zip-top bag.

Working in batches if needed, coat each chicken thigh thoroughly with the arrowroot powder—this will help thicken the sauce as it cooks.

Pour the mustard-honey sauce mixture into your slow cooker, then arrange the coated chicken thighs in a single layer, skin-side up if possible.

Flip each piece to coat both sides with the sauce, ensuring the chicken is mostly submerged or well-coated.

Step 3: Cook Low and Slow Until Tender

assembled slow cooker from Step 2

Cover the slow cooker and cook on low for 6 hours.

The chicken should be very tender and easily pull apart with a fork, and the sauce should have thickened noticeably from the arrowroot powder.

I find that checking at the 5.5-hour mark helps ensure the chicken doesn’t become overdone if your slow cooker runs hot.

The sauce will bubble gently around the edges and develop a rich, caramelized appearance.