Slow cooker winter chicken casserole

This Slow Cooker Winter Chicken Casserole combines tender chicken breasts with fresh vegetables and herbs for a comforting, hearty meal. Easy to prepare, it simmers all day to create a rich and flavorful dish, perfect for chilly evenings.

13 Jan 2026
Cook time 190 min
Prep time 15 min

Ingredients:

1 tbsp olive oil
4 chicken breasts
1 tbsp butter
1 leek
2 carrots
2 garlic cloves
2 tsp mustard
2 cups potatoes
2 cups chicken gravy
1 tbsp fresh thyme
2 tbsp corn flour
1/2 cup water
1 zucchini
1/4 cup fresh parsley
Slow cooker winter chicken casserole

Bring warmth to your winter evenings with this hearty Slow Cooker Winter Chicken Casserole. Packed with tender chicken breasts, fresh vegetables, and savory herbs, this dish is not only comforting but also simple to prepare with the help of your slow cooker. Perfect for busy days, this recipe allows you to enjoy a delicious, homemade meal with minimal effort.

Instructions:

1. Prepare Chicken:
- Heat the olive oil in a large frying pan over medium-high heat.
- Add the chicken breasts and cook until browned on both sides (approximately 5-7 minutes per side). Remove from the pan and set aside.
2. Prepare Vegetables:
- In the same pan, add the butter and let it melt.
- Add sliced leek and diced carrots to the pan, cooking until the leek is tender (about 5 minutes).
- Add minced garlic and cook for an additional minute, stirring frequently.
3. Combine Ingredients in Slow Cooker:
- Transfer the sautéed vegetables into the slow cooker.
- Stir in mustard, diced potatoes, and chicken gravy.
- Add the browned chicken breasts on top of the mixture.
- Sprinkle fresh thyme over the top.
4. Thicken the Sauce:
- In a small bowl, whisk together the corn flour and water until smooth.
- Pour this mixture into the slow cooker, stirring gently to combine.
5. Cook:
- Cover the slow cooker and cook on low heat for 6-8 hours or on high heat for 3-4 hours.
- About 30 minutes before serving, add the diced zucchini to the slow cooker and stir to combine.
6. Finish and Serve:
- Just before serving, sprinkle chopped fresh parsley over the casserole.
- Serve the chicken casserole hot, perhaps with a side of crusty bread to soak up the delicious gravy.

With minimal prep and maximum flavor, this Slow Cooker Winter Chicken Casserole is the perfect winter comfort food. The slow cooker does most of the work, allowing you to enjoy tender chicken and flavorful vegetables without spending hours in the kitchen. Serve it with a sprinkle of fresh parsley for a touch of brightness. This cozy dish is sure to become a family favorite.

Slow cooker winter chicken casserole FAQ:

What is the ideal cooking time for this casserole?

Cook the casserole on low heat for 6-8 hours or on high heat for 3-4 hours. Ensure the chicken is fully cooked and tender before serving.

How can I tell if the chicken is done?

The chicken should reach an internal temperature of 165°F (75°C). It should also be tender and easy to shred or cut.

Can I store leftovers, and how should I do it?

Yes, store leftovers in an airtight container in the refrigerator for up to 3-4 days. Reheat in the microwave or on the stovetop until warmed through.

What can I substitute for corn flour?

You can substitute corn flour with all-purpose flour or arrowroot flour. Adjust the amount as needed for thickening.

What should I serve with the casserole?

Serve the chicken casserole with crusty bread or a side salad to complement the meal and soak up the flavorful gravy.

Tips:

- Preheat the slow cooker on the low setting while you prepare the other ingredients.

- Brown the chicken breasts in a skillet with a bit of olive oil before adding them to the slow cooker to enhance the flavor.

- Chop the vegetables into uniform pieces to ensure even cooking.

- Mix the corn flour with a small amount of cold water before adding it to the slow cooker to avoid lumps.

- Check the seasoning before serving, adjusting salt and pepper to taste.

- Add the zucchini in the last hour of cooking to prevent them from becoming too mushy.

- Stir in fresh parsley just before serving for a burst of color and freshness.

- For an even heartier meal, serve the casserole over rice, quinoa, or with crusty bread.

Nutrition per serving

4 Servings
Calories 370kcal
Protein 33g
Carbohydrates 36g
Fiber 5g
Sugar 6g
Fat 13g

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