Jamie Oliver Chicken & Mushroom Lasagne
by Jamie Oliver
Calories: 861.79|Fat: 54.06|Carbohydrates: 46.21|Protein: 49.46
| 1 hour 30 minutes
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Jamie Oliver's Chicken & Mushroom Lasagne is a culinary masterpiece that combines tender chicken thighs, savory mushrooms, leeks, and an aromatic blend of herbs

Jamie Oliver’s Chicken & Mushroom Lasagne is a culinary masterpiece that combines tender chicken thighs, savory mushrooms, leeks, and an aromatic blend of herbs, all layered between fresh lasagna sheets and smothered in a luscious béchamel sauce. It’s a heartwarming dish that’s perfect for sharing with family and friends.
Why You’ll Like It
- Creamy and very rich mushroom sauce
- You can use leftover chicken
- Make-ahead winner!

Tips for the Perfect Chicken Mushroom Lasagne
- Use fat-free range chicken thighs for a healthier option.
- Fresh lasagna sheets are ideal for this recipe, but you can use dried ones if needed.
- Soak the dried wild mushrooms in hot water for added depth of flavour.
What You Need
Chicken and Mushroom Lasagne Ingredients
Chicken and Mushroom Filling:
- Chicken Thighs – 8 (fat-free range) chicken thighs, skinless
- Mushrooms – 400g mushrooms, sliced
- Leeks – 3 leeks, sliced
- Butter – 60g salted butter
- Olive Oil – 3 tablespoons olive oil
- Salt and Pepper – to taste
- Fresh Thyme – 4-5 sprigs fresh thyme
- Garlic Cloves – 5 garlic cloves, peeled and smashed
- Sage Leaves – 12 fresh sage leaves
- Lemon Zest – zest of 1 lemon
- Dried Wild Mushrooms – 20g dried wild mushrooms (optional)
Bechamel Sauce:
- Butter – 130g salted butter
- All-Purpose Flour – 130g all-purpose flour
- Milk – 2 litres of full-fat milk
- Salt and Pepper – to taste
- Pecorino Cheese – 65g pecorino cheese, grated
Assembly and Pasta:
- Fresh Lasagna Sheets – 1 packet
Variations
- Experiment with different mushroom varieties like cremini or shiitake for unique flavour profiles.
- If you prefer, you can substitute chicken thighs with chicken breasts for a leaner option.
How to make Jamie Oliver Chicken Lasagne
Cook Chicken thighs:
- Season chicken thighs with salt and pepper.
- Sear chicken in a pan with 2/3 of the olive oil and 1/2 of the butter until browned on all sides.
- Add smashed garlic, fresh sage leaves, and lemon zest to the pan. Stir.
- Pour in milk (enough to almost cover the chicken)
- Add the dried wild mushrooms.
- Simmer gently until the chicken is cooked.
- Remove chicken and shred when cooled.
- Strain and reserve the milk, discarding the garlic, sage, and lemon zest.
Cook Leeks and Mushrooms:
- Sauté leeks and mushrooms in 1/2 of the butter in a separate pan and 1/3 of the olive oil until softened.
- Season with salt, pepper, and fresh thyme.
- Cover and cook until the liquids evaporate.
- Set aside.
Prepare Bechamel Sauce:
- <Melt the butter in a saucepan, then add the all-purpose flour to create a roux.
- Add gradually reserved milk (top it up to 2 litres) while stirring to avoid lumps. Cook until thickened.
- Add leftover mushrooms (from the chicken mixture) and season with salt and pepper.
- Cook until the sauce is well-flavoured and smooth.
Assemble the Lasagna:
- Preheat the oven to 180°C (350°F).
- Butter a baking dish and rub it with garlic and salt.
- Divide the filling ingredients into 3 parts while dividing the bechamel into 4 parts, since we need an extra layer for the top.
- Lay lasagna sheets, allowing them to extend over the sides.
- Layer with a portion of leeks, mushrooms, chicken, and a drizzle of bechamel sauce.
- Repeat the layering process until the ingredients are used up, finishing with lasagna sheets on top.
Bake:
- Pour the remaining bechamel sauce over the top layer of lasagna.
- Sprinkle with the grated pecorino cheese.
- Cover with double foil and bake for approximately 45 minutes at 180°C (350°F).
- Remove the foil and bake for a few minutes until the top is golden brown.
Serve:
- Allow the lasagna to rest before slicing and serving.
- Enjoy your Chicken Mushroom Lasagna with Creamy Leeks!
How to Serve Jamie Oliver Chicken Lasagne
- Serve Jamie Oliver’s Chicken & Mushroom Lasagne piping hot, straight from the oven.
- It pairs wonderfully with a side salad or some garlic bread to complete your meal.
- This dish is perfect for gatherings, special occasions, or when you simply want to treat yourself and your loved ones to a taste of culinary excellence.
- Enjoy every bite of this delicious twist on a classic favourite!
More Baked Pasta Recipes:
Health Info
Calories: | 861.79 |
Sugar: | 18.98 |
Sodium: | 546.9 |
Fat: | 54.06 |
Carbohydrates: | 46.21 |
Fiber: | 2.4 |
Protein: | 49.46 |

Jamie Oliver Chicken and Mushroom Lasagne Recipe
Fat: 54.06|Carbohydrates: 46.21|Protein: 49.46
Description
Jamie Oliver's Chicken & Mushroom Lasagne is a culinary masterpiece that combines tender chicken thighs, savory mushrooms, leeks, and an aromatic blend of herbs
Ingredients
Chicken and Mushroom Filling:
- 8 skinless chicken thighs fat-free range
- 400 g mushrooms sliced
- 3 leeks sliced
- 60 g butter
- 3 tbsp olive oil
- Salt and pepper to taste
- 4-5 sprigs of fresh thyme
- 5 garlic cloves peeled and smashed
- 12 fresh sage leaves
- 1 lemon (zest of 1 lemon)
- 20 g dried wild mushrooms optional
Bechamel Sauce:
- 130 g butter
- 130 g all-purpose flour
- 2 l milk
- Leftover mushrooms from chicken mixture
- Salt and pepper to taste
- 65 g grated pecorino cheese
Assembly and Pasta:
- Fresh lasagna sheets
Instructions
Cook Chicken thighs:
- Season chicken thighs with salt and pepper.
- Sear chicken in a pan with ⅔ of the olive oil and ½ of butter until browned on all sides.
- Add smashed garlic, fresh sage leaves, and lemon zest to the pan. Stir.
- Pour in milk (enough to almost cover the chicken)
- Add the dried wild mushrooms.
- Simmer gently until the chicken is cooked.
- Remove chicken and shred when cooled.
- Strain and reserve the milk, discarding the garlic, sage, and lemon zest.
Cook Leeks and Mushrooms:
- Sauté leeks and mushrooms in 1/2 of the butter in a separate pan and 1/3 of the olive oil until softened.
- Season with salt, pepper, and fresh thyme.
- Cover and cook until liquids evaporate.
- Set aside.
Prepare Bechamel Sauce:
- Melt the butter in a saucepan, then add the all-purpose flour to create a roux.
- Add gradually reserved milk (top it up to 2 liters) while stirring to avoid lumps. Cook until thickened.
- Add leftover mushrooms (from the chicken mixture) and season with salt and pepper
- Cook until the sauce is well-flavored and smooth.
Assemble the Lasagna:
- Preheat the oven to 180°C (350°F).
- Butter a baking dish and rub it with garlic and salt.
- Divide the filling ingredients into 3 parts while dividing the bechamel into 4 parts since we need an extra layer for the top.
- Lay lasagna sheets, allowing them to extend over the sides.
- Layer with a portion of leeks, mushrooms, chicken, and a drizzle of bechamel sauce.
- Repeat the layering process until the ingredients are used up, finishing with lasagna sheets on top.
Bake:
- Pour the remaining bechamel sauce over the top layer of lasagna.
- Sprinkle with the grated pecorino cheese.
- Cover with double foil and bake for approximately 45 minutes at 180°C (350°F).
- Remove the foil and bake for a few minutes until the top is golden brown.
Serve
- Allow the lasagna to rest before slicing and serving.
- Enjoy your Chicken Mushroom Lasagna with Creamy Leeks!
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