As I stood in my kitchen, the aromatic essence of sautéing leeks mingled with the sweet, earthy scent of butternut squash, instantly transporting me to cozy autumn evenings. This Low-Calorie Chicken, Leek, and Butternut Squash Bake comes together effortlessly, making it the perfect comfort food for busy weeknights. Packed with tender chicken thighs and vibrant seasonal veggies, this savory bake is not only a family favorite but also a calorie-friendly option that allows you to indulge guilt-free. Plus, it’s gluten-free, making it a thoughtful choice for gatherings or meal prep. Are you ready to discover the joyful combination of flavors that will elevate your dinner table?

Why is this bake a must-try?
Comforting and delicious, this Chicken, Leek, and Butternut Squash Bake is perfect for busy families looking for a healthy option. Flavor-packed with tender chicken, savory leeks, and sweet squash, each bite is a burst of autumn goodness. Simple preparation means you can whip this up in no time, making it a weeknight favorite. Versatile enough to serve with creamy mashed potatoes or a light salad, it adapts to any meal occasion. Plus, with about 406 calories per serving, you’ll love indulging guilt-free! Serve this dish at your next gathering alongside a delightful Ham Cheese Croissant for a winning combination.
Chicken, Leek and Butternut Squash Bake Ingredients
For the Bake
• Low calorie spray – Used for sautéing to significantly reduce added fats.
• 600g boneless skinless chicken thighs – The main protein; tender and flavorful. Substitute with chicken breast for a leaner option, but it may affect moisture.
• 1 teaspoon dried parsley – Adds herbaceous flavor; substitute with fresh parsley or thyme for enhanced taste.
• 1/2 teaspoon dried thyme leaves – Provides aromatic depth; using fresh thyme offers a stronger aroma.
• Salt and black pepper – Essential for enhancing flavor and seasoning.
• 1 tablespoon salted butter (or olive oil) – Richness and flavor base; olive oil serves as a dairy-free alternative.
• 1 onion – Onions provide sweetness and depth; halved and sliced before cooking.
• 600g butternut squash (peeled, diced) – Adds natural sweetness and texture; ready-prepped butternut squash can be used for convenience.
• 1 teaspoon paprika – Introduces warmth and color; adjust according to spice preference.
• 3 leeks (washed, trimmed, sliced) – Essential for buttery sweetness; ensure they are thoroughly cleaned to remove any grit.
• 1 tablespoon minced garlic (or 3 crushed cloves) – Enhances flavor with aromatic notes; fresh garlic is recommended for more pungency.
• 1 cup chicken stock (preferably low-sodium) – Infuses moisture and flavor; opt for gluten-free stock to meet dietary needs.
• 80g freshly grated parmesan – Adds a cheesy layer of richness; substitute with mature cheddar for a different flavor profile.
• Handful of fresh parsley (chopped) – For garnish; elevates presentation and freshness.
This delicious Chicken, Leek, and Butternut Squash Bake is sure to delight your family and bring warmth to your dining experience!
Step‑by‑Step Instructions for Chicken, Leek and Butternut Squash Bake
Step 1: Preheat the Oven
Begin by preheating your oven to 180°C (fan), 200°C, or 400°F (gas mark 6). This ensures an even cooking temperature, crucial for your Chicken, Leek, and Butternut Squash Bake. While the oven heats, gather your ingredients and equipment, including a large frying pan and an oven-proof dish, to streamline the cooking process.
Step 2: Prepare the Chicken
Cut the boneless, skinless chicken thighs into thirds. This allows for quicker cooking and enhances the flavor absorption from the accompanying vegetables. Lightly spray your frying pan with low-calorie spray and sauté the chicken over medium heat for about 5-7 minutes, until the pieces are lightly golden. Once done, set the chicken aside.
Step 3: Sauté the Vegetables
In the same frying pan, melt a tablespoon of salted butter (or olive oil) over medium heat. Add the sliced onion and diced butternut squash along with a teaspoon of paprika. Cook the mixture for approximately 8-10 minutes, stirring occasionally, until the squash begins to soften and the onions become translucent, unlocking all their sweet flavors.
Step 4: Deglaze the Pan
Gradually pour in a cup of chicken stock to deglaze the pan, scraping up any flavorful bits that may have stuck to the bottom. This process will keep the mixture from sticking and create a delicious base for your Chicken, Leek, and Butternut Squash Bake. Allow the mixture to simmer for a few moments while you prepare the next step.
Step 5: Add the Leeks and Garlic
Next, add the sliced leeks and minced garlic to the vegetable mixture. Continue cooking for an additional 5-8 minutes, stirring frequently until the leeks are tender and golden. The aroma will be delightful, setting the stage for the comforting flavors in your bake.
Step 6: Assemble the Bake
Layer the cooked vegetable mixture in an oven-proof dish without overcrowding. Place the sautéed chicken pieces neatly on top, ensuring even distribution. Pour any accumulated juices from the pan over the chicken, as this will infuse even more flavor into your Chicken, Leek, and Butternut Squash Bake.
Step 7: Add Stock and Cheese
Pour any remaining chicken stock over the assembled bake, ensuring everything is well-coated. Generously sprinkle 80g of freshly grated Parmesan cheese on top, which will create a deliciously crispy and cheesy crust as it bakes. The combination of textures and flavors will elevate the dish beautifully.
Step 8: Bake to Perfection
Cover the dish tightly with foil and place it in the preheated oven. Bake for 15 minutes covered, then remove the foil and continue baking for another 15 minutes, or until the top is golden and bubbling. You’ll know it’s ready when the edges are crisp and the entire dish is fragrant.
Step 9: Season and Garnish
Once perfectly baked, take the Chicken, Leek, and Butternut Squash Bake out of the oven. Season generously with salt and pepper to taste, enhancing all the wonderful flavors from your cooking. Finish it off with a handful of freshly chopped parsley for a pop of color and freshness.
Step 10: Serve and Enjoy
Let your comforting Chicken, Leek, and Butternut Squash Bake sit for a few minutes before serving. This dish pairs beautifully with creamy mashed potatoes or a light salad. Gather your loved ones around the table and enjoy this delightful meal together!

Expert Tips for Chicken, Leek and Butternut Squash Bake
- Knife Skills: A sharp knife is essential for peeling and cutting butternut squash easily, ensuring uniform pieces that cook evenly.
- Even Layering: Choose a baking dish that accommodates an even layer of ingredients to promote consistent cooking throughout your Chicken, Leek and Butternut Squash Bake.
- Fresh Cheese: Always use freshly grated cheese instead of pre-packaged products; it melts better and provides a richer flavor incredibly important for your bake.
- Veggie Variations: Don’t hesitate to mix in other vegetables like spinach or kale. They not only enhance the nutritional profile but also add more vibrant flavors.
- Cooking Time: Keep an eye on the bake towards the end of the cooking time, as oven variances can affect how quickly it browns. Adjust as necessary for golden perfection.
Chicken, Leek, and Butternut Squash Bake Variations
Feel free to personalize this delightful bake with your favorite ingredients and flavors.
- Chicken Breast: Swap chicken thighs for chicken breast for a leaner dish, knowing it may alter moisture.
- Cheese Variety: Experiment with mozzarella or a mixed cheese blend for a different flavor profile; iron out the cheese choices for a unique twist!
- Dairy-Free Alternate: Replace butter with olive oil for a dairy-free option while enhancing richness with nutty flavor.
- Extra Veggies: Add in spinach or kale for a nutritional boost—these greens fold in beautifully, enriching the dish’s vibrancy.
- Spice it Up: Increase paprika or add chili flakes for those who crave heat—your taste buds will thank you for this fiery kick!
- Fresh Herbs: Toss in fresh herbs like rosemary or basil when serving to elevate flavor; they add a fragrant, lush finish to each hearty bite.
- Sweet Potatoes: Opt for sweet potatoes in place of butternut squash for a pleasantly sweet and satisfying texture.
- Curry Infusion: Add curry powder for a warm, exotic twist—you’ll be transported to culinary adventures with each spoonful!
Now, picture serving this bake alongside delightful Spaghetti Meatball Bites or enjoy a generous slice of German Chocolate Pie for a cozy, complete dinner experience!
How to Store and Freeze Chicken, Leek, and Butternut Squash Bake
Fridge: Store leftovers in an airtight container in the fridge for up to 3 days. This Chicken, Leek, and Butternut Squash Bake stays flavorful and can be reheated.
Freezer: If you want to freeze it, place cooled portions in airtight containers or freezer bags for up to 3 months. Thaw overnight in the fridge before reheating.
Reheating: Reheat in the oven at 350°F (175°C) for 20-25 minutes until heated through. You can add a splash of chicken stock to keep it moist.
Serving Fresh: For the best taste, enjoy your Chicken, Leek, and Butternut Squash Bake fresh from the oven, but these storage tips help maintain its deliciousness for future meals!
Make Ahead Options
These comforting Chicken, Leek, and Butternut Squash Bake are perfect for meal prep enthusiasts! You can chop your vegetables and even sauté the chicken up to 24 hours in advance, storing them in the refrigerator. To maintain the freshness and prevent browning, keep the chopped leeks and butternut squash in an airtight container. When you’re ready to bake, combine the prepped ingredients in your oven-proof dish, pour over the stock, and sprinkle the Parmesan cheese. Bake as instructed, enjoying effortless meal planning that delivers just as delicious a result while saving you valuable time during busy weeknights!
What to Serve with Chicken, Leek, and Butternut Squash Bake
The comforting warmth of this dish is perfectly complemented by vibrant and flavorful side options.
- Creamy Mashed Potatoes: Add a rich and velvety touch that soaks up the delicious juices from the bake for ultimate satisfaction.
- Steamed Broccoli: The slight bitterness provides a nice contrast to the sweet butternut squash, while adding a healthy green option to your plate.
- Garlic Bread: The crispy, buttery aroma mingles beautifully with the savory elements of the bake, making it a crowd-pleaser at the dinner table.
- Mixed Green Salad: A refreshing mix of crisp greens and tangy vinaigrette balances the richness of the bake, providing a light, crunchy texture.
- Roasted Brussels Sprouts: These offer a delightful crunch and slight caramelization, enhancing the dish’s depth with their sophisticated flavor profile.
- Crisp White Wine: Pairing with a chilled Sauvignon Blanc accentuates the rich flavors while refreshing your palate between bites, enhancing the overall experience.
- Apple Crisp Dessert: Conclude the meal with this warm, sweet treat. Its buttery crust and tart apples provide a comforting yet vibrant finish to your dining experience.

Chicken, Leek, and Butternut Squash Bake Recipe FAQs
How do I choose the best butternut squash?
When selecting butternut squash, look for a squash that feels heavy for its size with a smooth, firm skin and no dark spots. A good squash should have a uniform tan coloration. If you find one with a dull surface and minimal blemishes, it’ll be perfect for roasting with your tasty bake!
How should I store leftovers of this bake?
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To keep it fresh and flavorful, it’s best consumed within this timeframe. Ensure that the dish cools slightly before placing it in the container to maintain the best quality and taste.
Can I freeze Chicken, Leek, and Butternut Squash Bake?
Absolutely! This dish can be frozen for up to 3 months. After cooking, allow it to cool completely, then place portions in freezer-safe containers or bags for easy storage. To reheat, thaw overnight in the fridge, then bake it at 350°F (175°C) for 20-25 minutes or until heated through.
What should I do if my bake seems too dry?
If your Chicken, Leek, and Butternut Squash Bake turns out dry, it may need additional liquid. Next time, consider adding a splash of chicken stock or even a bit of water before covering with foil for baking. This helps retain moisture and creates a beautifully creamy texture!
Is this recipe suitable for gluten-free diets?
Yes! This Chicken, Leek, and Butternut Squash Bake is gluten-free, especially if you use gluten-free chicken stock. Always check the labels of pre-packaged ingredients, like Parmesan and stock, to confirm they meet your dietary requirements.
Can I substitute chicken thighs for another type of meat?
Certainly! While I recommend chicken thighs for their tenderness and flavor, you can substitute them with boneless, skinless chicken breasts for a leaner option. Just remember that chicken breasts may result in a slightly drier texture, so keep an eye on the cooking time to avoid overcooking.

Comforting Chicken, Leek and Butternut Squash Bake Bliss
Ingredients
Equipment
Method
- Preheat your oven to 180°C (fan), 200°C, or 400°F (gas mark 6).
- Cut the chicken thighs into thirds, then sauté in a frying pan with low-calorie spray for 5-7 minutes.
- In the same frying pan, melt salted butter or olive oil and add sliced onion and diced butternut squash with paprika; cook for 8-10 minutes.
- Pour in chicken stock to deglaze the pan, scraping up any flavorful bits.
- Add leeks and minced garlic to the mixture and continue to cook for another 5-8 minutes.
- Layer the cooked vegetable mixture in an oven-proof dish, then place the sautéed chicken on top.
- Pour any remaining chicken stock over the bake and sprinkle with parmesan cheese.
- Cover with foil and bake for 15 minutes, then remove the foil and bake for another 15 minutes.
- Season with salt and pepper, then garnish with chopped parsley before serving.
- Let sit for a few minutes before serving, enjoy with mashed potatoes or salad.

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