Jamie Oliver’s Slow Cooker Chicken Casserole Recipe

  • June 5, 2025

Jamie Oliver’s Slow Cooker Chicken Casserole is a perfect dish for anyone seeking a comforting, flavorful, and easy-to-make meal that requires minimal prep and delivers maximum taste after hours of slow cooking.

What Is Jamie Oliver’s Slow Cooker Chicken Casserole

Jamie Oliver’s Slow Cooker Chicken Casserole is a hearty, wholesome dish made with tender chicken, a mix of seasonal vegetables, rich stock, and aromatic herbs. It’s designed to be cooked in a slow cooker, allowing the ingredients to meld together beautifully over time.

This dish captures all the goodness of a traditional casserole but with the convenience of a slow cooker, making it an excellent choice for busy weeknights or lazy weekends. The slow-cooking process infuses the chicken and vegetables with flavor, resulting in a rich and comforting meal.

Jamie Oliver’s Slow Cooker Chicken Casserole Recipe

Ingredients Needed

jamie oliver slow cooker chicken casserole

To make Jamie Oliver’s Slow Cooker Chicken Casserole, you will need the following ingredients:

  • Chicken thighs (bone-in for extra flavor, or boneless if you prefer)
  • Onions (finely chopped)
  • Carrots (sliced)
  • Potatoes (peeled and chopped into chunks)
  • Celery (chopped)
  • Garlic (minced)
  • Tomatoes (either canned chopped tomatoes or fresh)
  • Chicken stock (preferably homemade or low-sodium for better control over salt content)
  • Herbs (such as thyme, rosemary, or bay leaves)
  • Olive oil (for sautéing the vegetables)
  • Salt and pepper (to taste)
  • White wine (optional, adds depth of flavor)

Equipment Needed

Making this dish requires some essential kitchen equipment:

  • Slow Cooker (any standard-sized slow cooker will work; a 4-6 quart model is ideal for this recipe)
  • Large skillet (for sautéing the onions, garlic, and other vegetables)
  • Chopping board and knife (for preparing the vegetables)
  • Measuring spoons (for herbs and seasoning)
  • Ladle (to serve the casserole)

How To Make Jamie Oliver’s Slow Cooker Chicken Casserole?

Step-by-Step Instructions

  1. Prep the ingredients:
    Begin by chopping the onions, carrots, celery, and potatoes into even-sized chunks. Mince the garlic and set aside the herbs.

  2. Sear the chicken (optional but adds flavor):
    Heat a tablespoon of olive oil in a large skillet over medium-high heat. Brown the chicken thighs for 2-3 minutes per side until golden, then remove them from the skillet. This step helps develop the flavors, but you can skip it if you prefer a quicker method.

  3. Sauté the vegetables:
    In the same skillet, add another tablespoon of olive oil and sauté the onions, garlic, and celery until softened, about 5 minutes. This step enhances the flavor base of the casserole.

  4. Assemble the casserole:
    Transfer the sautéed vegetables into the slow cooker. Add the potatoes, carrots, and browned chicken thighs. Pour in the canned tomatoes, followed by the chicken stock. If you are using white wine, add it here. Toss in the herbs and season generously with salt and pepper.

  5. Slow cook:
    Set the slow cooker to low and cook for 6-8 hours. The chicken should be tender, and the vegetables should be cooked through. If you’re in a rush, you can cook it on high for 3-4 hours, but low and slow is the best way to ensure a flavorful dish.

  6. Final touches:
    Once the cooking time is over, taste the casserole and adjust the seasoning with additional salt, pepper, or herbs as needed. You can remove the chicken bones if you used bone-in chicken, or shred the chicken directly into the casserole for easier serving.

  7. Serve:
    Serve the casserole in bowls with crusty bread on the side for soaking up the delicious juices, or you can enjoy it on its own as a satisfying one-pot meal.

Expert Tips

  • Use bone-in chicken: While boneless chicken is more convenient, bone-in thighs or breasts provide more flavor and keep the chicken juicy throughout the cooking process.
  • Layering the flavors: Searing the chicken and sautéing the vegetables before adding them to the slow cooker helps build a deeper, more complex flavor profile. If you’re short on time, you can skip this step, but it’s worth the extra effort.
  • Customizing vegetables: Feel free to swap in other vegetables such as parsnips, leeks, or turnips for a different twist on the dish. The slow cooker is very forgiving when it comes to vegetables, so you can experiment based on what you have in season or what you prefer.
  • Freezing leftovers: This casserole makes great leftovers! You can freeze it in portions for easy meals later on. Just let it cool completely before storing it in airtight containers for up to 3 months.
  • Add a bit of acidity: If the casserole feels too rich, a splash of lemon juice or vinegar before serving can brighten up the dish and balance out the flavors.

Jamie Oliver’s Slow Cooker Chicken Casserole is the perfect recipe for those who love hearty, comforting meals with minimal hands-on effort. It’s ideal for anyone who appreciates the slow-cooked flavors that develop over time, and it’s a versatile dish that you can tailor to suit your tastes or the contents of your fridge.

With a handful of simple ingredients, this dish delivers a warm, satisfying meal that will have your family or guests coming back for more. The ease of preparation and the long cooking time that does all the work for you make it a winner for busy days or cozy evenings in.

Easy Recipe Variations For Jamie Oliver’s Slow Cooker Chicken Casserole

jamie oliver slow cooker chicken casserole

Jamie Oliver’s Slow Cooker Chicken Casserole is a beloved dish known for its comforting flavors, easy prep, and versatility. However, if you’re looking to spice things up or accommodate dietary preferences, there are several creative and delicious variations you can try.

  1. Add More Veggies

    • To make your casserole even more nutrient-dense, consider adding extra vegetables like sweet potatoes, parsnips, or butternut squash. These will complement the dish’s hearty nature and provide natural sweetness to balance the savory flavors. A handful of spinach or kale can also be added towards the end of cooking for a boost of color and nutrition.
  2. Swap The Chicken For Other Proteins

    • While the recipe traditionally uses chicken, you can swap it for other proteins like turkey or pork. Pork shoulder, for example, gives the dish a slightly richer flavor and pairs well with the other ingredients. For a vegetarian variation, you could substitute the chicken with hearty ingredients like mushrooms or tofu, creating a completely plant-based meal.
  3. Different Herbs And Spices

    • The traditional recipe uses a fairly straightforward combination of garlic, thyme, and rosemary. To shake things up, try experimenting with different herbs and spices. Adding a pinch of smoked paprika, cumin, or turmeric can give the casserole a more complex and exotic flavor profile. If you love heat, consider including a chopped chili or two for an extra kick.
  4. Curry-Style Chicken Casserole

    • Give your slow cooker casserole a vibrant twist by adding curry powder and coconut milk. This creates a rich and aromatic sauce that pairs beautifully with the chicken and vegetables. You can also toss in some fresh cilantro for a pop of fresh flavor right before serving.
  5. Make It Creamy

    • For an indulgent variation, you can make your chicken casserole extra creamy. Add a dollop of cream cheese or sour cream towards the end of cooking. Alternatively, a splash of heavy cream or half-and-half will create a luscious sauce that perfectly envelops the chicken and vegetables.
  6. Change The Base

    • Instead of a classic chicken broth base, you could use white wine, vegetable stock, or even a can of diced tomatoes for a more Mediterranean-inspired version. The base of the casserole is essential for building flavor, so playing with liquids is a great way to adjust the dish to your taste preferences.
  7. Crispy Topping

    • To add texture and crunch, consider topping your casserole with a sprinkle of breadcrumbs, grated cheese, or crushed nuts during the final 30 minutes of cooking. This adds a delightful contrast to the soft, tender chicken and vegetables.

By experimenting with these variations, you can tailor Jamie Oliver’s Slow Cooker Chicken Casserole to suit your personal tastes and dietary needs, ensuring it never gets old no matter how many times you make it.

Best Practices To Store Leftovers

Storing leftovers properly ensures that your delicious chicken casserole remains safe to eat and retains its flavor for future meals. Here are some tips for storing your casserole:

  1. Cool It Down First

    • Before placing your chicken casserole in the fridge, make sure it has cooled down to room temperature. This prevents bacteria from growing and ensures the texture remains intact. However, don’t leave it out for more than 2 hours to prevent food safety issues.
  2. Use Airtight Containers

    • For the best preservation, store your leftovers in airtight containers. This helps prevent the casserole from drying out and keeps odors from other foods in the fridge from affecting its flavor. If you’re storing a large amount, consider dividing it into smaller portions for easier reheating and better preservation.
  3. Refrigeration

    • In the fridge, Jamie Oliver’s Slow Cooker Chicken Casserole can last for up to 3-4 days. Always ensure the casserole is stored at the proper temperature (below 40°F or 4°C) to avoid foodborne illnesses.
  4. Freezing For Longer Storage

    • If you don’t plan to eat the leftovers within a few days, freezing is an excellent option. To freeze, allow the casserole to cool completely, then transfer it into freezer-safe containers or resealable freezer bags. Be sure to label the container with the date it was stored to keep track of freshness. Your casserole can be stored in the freezer for up to 3 months.
  5. Reheating Tips

    • When reheating your casserole, you have several options. For best results, reheat it slowly in the oven at 350°F (175°C) until it’s piping hot throughout. If you’re in a hurry, you can microwave individual portions, but be sure to stir occasionally to ensure even heating. If the casserole has dried out a little, add a splash of broth or water when reheating.

By following these simple storage practices, you can extend the shelf life of your slow cooker chicken casserole and enjoy its comforting flavors for days to come.

What Goes Well With Slow Cooker Chicken Casserole?

Jamie Oliver’s Slow Cooker Chicken Casserole is a hearty and flavorful dish on its own, but pairing it with complementary sides can elevate your meal to the next level. Here are some ideas for what goes well with this dish:

  1. Mashed Potatoes

    • The rich, velvety texture of mashed potatoes makes for a perfect pairing with the tender chicken and savory sauce of the casserole. The mashed potatoes soak up the flavorful gravy, creating a satisfying combination.
  2. Crusty Bread

    • A loaf of warm, crusty bread is ideal for mopping up the delicious sauce from the casserole. Whether it’s a rustic sourdough or a soft baguette, the bread adds texture and serves as a great accompaniment to the meal.
  3. Steamed Vegetables

    • Lightly steamed vegetables, such as green beans, broccoli, or asparagus, are a great way to balance out the richness of the casserole. They add a pop of color and a fresh contrast to the deep, savory flavors of the dish.
  4. Rice Or Couscous

    • A side of fluffy rice or couscous is a simple yet effective way to soak up any excess sauce from the casserole. Both options are neutral enough to allow the flavors of the chicken and vegetables to shine while providing a satisfying base.
  5. Salad

    • A crisp, fresh salad with a tangy vinaigrette provides a refreshing contrast to the warm, hearty casserole. Consider a simple mix of mixed greens, cherry tomatoes, cucumber, and a drizzle of balsamic vinegar or lemon dressing for added brightness.
  6. Roasted Vegetables

    • Roasted vegetables, such as carrots, parsnips, or Brussels sprouts, bring out a natural sweetness and slightly caramelized flavor that complements the savory elements of the casserole. Roasting vegetables in the oven with a bit of olive oil, salt, and pepper results in a delicious side that adds depth to the meal.

Conclusion

Jamie Oliver’s Slow Cooker Chicken Casserole is a delightful and versatile dish that can be tailored to suit a wide variety of tastes. Whether you’re looking to add extra veggies, try a different protein, or switch up the seasoning, there are countless ways to make this dish your own.

Storing leftovers properly ensures that you can enjoy the casserole for several days, and pairing it with complementary sides like mashed potatoes, crusty bread, or a fresh salad will round out your meal. This comforting dish is perfect for busy weekdays or cozy weekend dinners, offering both convenience and flavor in every bite.

FAQs

What Ingredients Are Typically Used In Jamie Oliver’s Slow Cooker Chicken Casserole?

The recipe usually includes bone-in chicken thighs or drumsticks, carrots, celery, onions, garlic, leeks, herbs like thyme and rosemary, chicken stock, and sometimes potatoes or pearl barley. Optional additions include peas, mushrooms, or white wine for added depth.

How Long Should The Chicken Casserole Cook In A Slow Cooker?

Jamie Oliver’s version generally cooks on low heat for 6 to 8 hours or on high for 3 to 4 hours. The chicken should be tender and falling off the bone, and the vegetables should be soft but not mushy.

Can I Use Chicken Breast Instead Of Thighs In This Recipe?

While you can use chicken breast, it is not recommended for long slow cooking because it tends to dry out. Chicken thighs or drumsticks are better suited due to their higher fat content and better flavor retention.

Do I Need To Brown The Chicken Before Placing It In The Slow Cooker?

Browning the chicken in a pan before adding it to the slow cooker is optional but recommended. It enhances the flavor and adds a richer color to the finished dish.

What Type Of Stock Is Best For The Casserole?

A good-quality chicken stock is ideal, either homemade or store-bought. For added richness, Jamie sometimes recommends using a mix of chicken stock and a splash of white wine or cider.

Can I Make This Recipe Vegetarian?

Yes, you can adapt it by replacing the chicken with hearty vegetables like butternut squash, mushrooms, and chickpeas or lentils. Use vegetable stock and increase the herb content for added flavor.

How Can I Thicken The Casserole If It’s Too Watery?

To thicken the sauce, remove the lid for the last 30 minutes of cooking, or stir in a slurry of cornstarch and water. Alternatively, mash a few of the soft vegetables into the broth.

Is It Freezer-friendly, And How Should I Store Leftovers?

Yes, the casserole freezes well. Cool it completely, portion it into airtight containers, and freeze for up to 3 months.

Reheat thoroughly before serving. Refrigerated leftovers should be eaten within 3 days.

Can I Cook This On The Stovetop Or In The Oven If I Don’t Have A Slow Cooker?

Absolutely. Simmer the casserole on low heat on the stovetop for 1.5-2 hours or bake it in a covered Dutch oven at 160°C (325°F) for about the same time, checking occasionally for liquid levels.

What Sides Go Well With Jamie Oliver’s Chicken Casserole?

Serve it with creamy mashed potatoes, crusty bread, steamed greens like kale or cabbage, or a simple side salad to complement the rich, comforting flavors.