Classic Chicken Casserole Recipe | Delia Smith

There are few things more comforting in the culinary world than a really good chicken casserole simmering away on the hob or in the oven. It is the very essence of home cooking, a one-pot wonder that speaks of warmth, nourishment, and gathering around the table. It's a dish that has, perhaps, been taken for granted over the years, but to get it absolutely right is a skill worth mastering.

A truly great casserole doesn't just happen; it is built on a foundation of solid technique. It begins with good ingredients, of course, but it's the method – the careful browning, the gentle simmering, the balancing of flavours – that transforms simple components into something truly special. This isn't about fancy tricks; it's about understanding the 'why' behind each step to achieve a rich, flavourful sauce and meltingly tender chicken every single time.

This recipe is the culmination of years of testing and teaching. It is, I hope you will find, completely reliable. It's the one I turn to on a chilly evening when only the most restorative of meals will do. So, roll up your sleeves, put a good apron on, and let's learn how to make a proper chicken casserole together.

Why You'll Love This Recipe

Using chicken thighs on the bone ensures the meat remains succulent and flavourful during the slow cook, and the bones themselves add richness to the sauce.
Browning the chicken and vegetables properly creates a 'fond' on the base of the pan, a crucial step that builds a deep, savoury flavour base for the entire dish.
A combination of good-quality chicken stock and a splash of dry white wine provides the perfect balance of richness and acidity, cutting through the fat and creating a complex, well-rounded sauce.

Ingredients

8 free-range chicken thighs, bone-in and skin-on
2 tbsp plain flour
1 tsp salt
½ tsp freshly milled black pepper
2 tbsp olive oil
100g smoked bacon lardons or chopped streaky bacon
2 medium onions, peeled and chopped
2 medium carrots, peeled and cut into 1cm chunks
2 celery sticks, trimmed and cut into 1cm chunks
2 cloves garlic, peeled and finely chopped
150ml dry white wine (optional, can be replaced with extra stock)
600ml good-quality chicken stock, preferably fresh
2 bay leaves
A few sprigs of fresh thyme
2 tbsp chopped fresh parsley, to serve

Equipment Needed

Large, heavy-based flameproof casserole dish with a lid · Wooden spoon · Tongs · Chopping board · Sharp knife · Shallow bowl or plate for flour

Step-by-Step Instructions

First, prepare the chicken. In a shallow bowl or on a plate, mix the plain flour with the salt and pepper. Take the chicken thighs and toss them in the seasoned flour until they are lightly coated on all sides. Shake off any excess – we're looking for a fine dusting.
Place a large, flameproof casserole dish with a tight-fitting lid over a medium-high heat. Add 1 tablespoon of the olive oil. Once the oil is shimmering, add the chicken thighs, skin-side down. Do this in two batches to avoid overcrowding the pan. Brown the chicken for 3-4 minutes on each side until golden and crisp. Remove the browned chicken to a plate and set aside.
Reduce the heat to medium. Add the remaining tablespoon of oil to the same pan, then add the bacon lardons and cook for about 5 minutes until they have released their fat and are becoming crisp. Add the chopped onions, carrots, and celery to the pan. Cook for 8-10 minutes, stirring occasionally, until the vegetables have softened and are lightly golden.
Add the chopped garlic and cook for another minute until fragrant, being careful not to let it burn.
Now, to deglaze the pan. Pour in the white wine, if using. Allow it to bubble and sizzle, using a wooden spoon to scrape all the flavourful browned bits from the bottom of the pan. Let it reduce by about half.
Return the chicken thighs to the casserole dish. Pour over the chicken stock, then tuck in the bay leaves and thyme sprigs. The liquid should come about three-quarters of the way up the chicken.
Bring the liquid to a gentle simmer, then reduce the heat to its lowest setting. Place the lid on the casserole dish. Let it cook very gently for 1 hour and 15 minutes, either on the hob or in a preheated oven at 160°C (140°C Fan, Gas Mark 3).
After the cooking time is up, remove the casserole from the heat. Check the seasoning and adjust with more salt and pepper if needed. Remove the bay leaves and thyme stalks. Allow it to rest for 10 minutes before serving, scattered with the freshly chopped parsley.

A Truly Reliable Chicken Casserole close-up

Delia's Notes from the Kitchen

A final, crucial point: do not rush the browning stage. It is not simply about colouring the chicken; it is about creating what the French call the 'fond' – those little caramelised, slightly sticky bits that form on the bottom of the pan. When you deglaze with the wine or stock, these dissolve into the liquid, forming the non-negotiable, deeply savoury foundation of your entire casserole. This is where the real flavour lies.

Substitutions

Chicken Thighs: You can use chicken breasts, but cut them into large chunks and reduce the cooking time to around 45 minutes to prevent them from drying out.
White Wine: If you prefer not to use alcohol, simply substitute it with an equal amount of extra chicken stock and a teaspoon of white wine vinegar or lemon juice for acidity.
Bacon Lardons: For a vegetarian version (using vegetables and beans instead of chicken), you can omit the bacon and start by frying the vegetables in oil, adding a pinch of smoked paprika for a smoky flavour.

Serving Suggestions

This casserole is crying out to be served with creamy mashed potatoes to soak up all the wonderful sauce. Alternatively, serve with crusty bread or fluffy dumplings cooked on top for the last 20 minutes. A side of simple steamed green beans or buttered cabbage would be perfect. For more reliable classics, you might also enjoy our My Classic Coronation Chicken and A Classic Chinese Chicken and Broccoli Stir-fry.

How to Store & Reheat

Like many stews, this casserole is often even better the next day. Cool it completely, then store in an airtight container in the refrigerator for up to 3 days. To reheat, place it in a saucepan over a low heat and gently bring it to a simmer, stirring occasionally, until piping hot throughout. You may need to add a splash of stock or water if the sauce has thickened too much.

Frequently Asked Questions

Can I use chicken breasts instead of thighs?

Yes, you can, but you must be careful. Chicken breast has much less fat and can become dry if overcooked. I would suggest cutting the breasts into large, chunky pieces and reducing the final simmering time to around 45-50 minutes. Check a piece to ensure it is cooked through before serving.

Why did my sauce not thicken?

The light coating of flour on the chicken at the beginning should be enough to gently thicken the sauce. If you find it is still too thin for your liking, you can mix one teaspoon of cornflour with two teaspoons of cold water to make a paste, then stir this into the simmering casserole for the last few minutes of cooking until it thickens.

Can I freeze this chicken casserole?

Absolutely. It freezes beautifully. Allow the casserole to cool completely, then transfer it to a freezer-safe container. It will keep for up to 3 months. Defrost it overnight in the refrigerator before reheating gently on the hob until piping hot.

What other vegetables could I add?

This recipe is very adaptable. You could add mushrooms (add them with the onions), leeks (use in place of or in addition to onions), or chunks of parsnip or swede. Add harder root vegetables along with the carrots and celery.

Do I have to use a flameproof casserole dish?

It makes it much easier as it becomes a true one-pot dish. If you don't have one, you can brown the chicken and vegetables in a large frying pan and then transfer everything to an ovenproof dish to continue cooking in the oven.

A Truly Reliable Chicken Casserole