Roasted Butternut Squash Zucchini Pasta Bake - a simple comforting pasta bake with roasted butternut squash, zucchini and pasta baked in a tomato sauce with a delicious cheesy topping. It is an easy family friendly dinner that comes together with very little fuss and is perfect for busy evenings.

Sometimes the best dinners come from just using up what you already have sitting in the fridge, and this pasta bake turned out to be one of those meals we all loved. Roasting the butternut squash first adds so much flavour and sweetness, while the zucchini cooks perfectly straight in the bake without any extra prep. Everything is then mixed together in a tomato sauce, topped with cheese and baked until golden and bubbling.
Calories in Roasted Butternut Squash Zucchini Pasta Bake
This recipe serves 4 and is 531 calories per serving.
If you're looking for more recipes by calories, you'll find plenty of options grouped by calorie range here: Slimming Eats Low Calorie Recipes
If you're following a calorie-controlled diet or a healthy eating plan, it's important to calculate your daily calorie needs using a reliable calorie calculator. The calorie counts provided are estimates and can vary depending on the exact ingredients and portion sizes you use. Using your own calculations helps ensure you're meeting your individual needs. A calorie calculator can help you make informed choices and stay on track with your goals.
See the recipe card for full nutritional estimation.

Ingredients Notes
To make this recipe you will need the following ingredients:
- Fusilli Pasta: Fusilli works really well in pasta bakes as the twists hold onto all the delicious tomato sauce and melted cheese.
- Olive Oil: Helps the butternut squash roast beautifully and adds extra flavour.
- Butternut Squash: Roasting the squash brings out its natural sweetness and adds lots of flavour to the pasta bake.
- Paprika and Garlic Powder: Add extra savoury flavour and work perfectly with the roasted squash.
- Onion: Adds sweetness and flavour to the homemade tomato sauce as it softens while cooking.
- Zucchini (Courgette): Adds extra vegetables and cooks perfectly in the pasta bake without needing any pre-cooking.
- Passata: Creates a rich smooth homemade tomato sauce for the pasta bake.
- Italian Seasoning: Adds extra herb flavour to the tomato sauce.
- Mozzarella: Melts beautifully over the top for that classic cheesy pasta bake finish.
- Parmesan: Adds extra savoury cheesy flavour and helps give the topping a lovely golden finish.
- Salt and Black Pepper: Important for seasoning and balancing all the flavours.
- Fresh Parsley: Adds freshness and a lovely finishing touch before serving.
Once you've gathered all the ingredients and prepared them accordingly, you're all set to create this easy and delightful recipe.
See the recipe card for specific quantities and instructions.
Variations and Substitutes
This pasta bake is really easy to adapt depending on what vegetables, pasta or cheeses you have on hand.
- Penne, rigatoni or macaroni all work really well instead of fusilli.
- Sweet potato can be used instead of butternut squash.
- Add extra vegetables like spinach, mushrooms, bell peppers or eggplant.
- Cooked chicken, turkey or spicy sausage make great additions if you want to add extra protein.
- Swap the mozzarella for cheddar, gouda or a lighter cheese blend.
- A little cream cheese or mascarpone stirred into the tomato sauce makes it extra creamy.
- Add chilli flakes for a little heat.
- Fresh basil works really well alongside the parsley.
- Use wholewheat pasta for extra fibre if preferred.
- Cooked Lentils or chickpeas can be added for a vegetarian protein boost.
- For extra richness, stir through a spoonful or two of pesto before baking.

Side Suggestions
This pasta bake pairs really well with lighter vegetable sides to balance the rich tomato sauce and cheesy topping. Steamed or roasted broccoli, green beans or tenderstem broccoli are all great options and add a nice freshness alongside the roasted squash and pasta.
A simple salad with mixed greens, cucumber, red onion and even a few pomegranate seeds also works really well for a fresh crunchy side. If you like a little extra flavour, a drizzle of ranch dressing or spicy mayo over the pasta bake is really delicious too.
Storing, Freezing and Reheating
Storing
Allow the pasta bake to cool before covering or transferring to an airtight container and storing in the fridge for up to 3 days.
Freezing
This pasta bake freezes really well. Allow to cool completely before transferring to freezer safe containers and freeze for up to 3 months. You can freeze the whole bake or individual portions depending on what works best for you.
Reheating
Reheat in the oven, covered loosely with foil, until heated through and bubbling hot in the centre. Individual portions can also be reheated in the microwave until piping hot.

More Pasta Recipes
Looking for some more pasta recipes? Check out these:
see more Pasta Recipes
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All recipes on Slimming Eats have estimated nutritional information for your convenience.
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