This Air Fryer Butternut Squash is an easy, fast way to enjoy winter squash during busy weeknights. Roasted in the oven it can take up to 45 minutes, but the air fryer delivers tender, caramelized cubes in about 15 minutes.
Quickly Roast Butternut Squash in an Air Fryer
Autumn and winter bring the best produce for cozy cooking, and butternut squash is a favorite pantry staple. It’s a nutritious source of carbohydrates and fiber and works beautifully as a side, a salad topper, or the base of a hearty bowl or curry.
If you enjoy roasted squash but want a faster option, the air fryer is perfect. It turns raw cubes into slightly caramelized, creamy bites in roughly 15 minutes, making it ideal for weeknight meals or quick meal prep.
When I have time on the weekend I’ll cube a few squashes so they’re ready to air fry throughout the week. You can also buy pre-cut squash, but cutting it yourself usually yields fresher pieces and saves money.
This method is flexible: toss the cubes with a little oil and seasoning, spread them in the air fryer basket in a single layer, and you’ll have a versatile cooked ingredient ready to use in many dishes.
If you love quick air fryer winter vegetables, try this method with other squashes like spaghetti or acorn squash, or swap in sweet potatoes for a crispy-skinned side.
What You’ll Need
- Butternut squash
- Extra virgin olive oil (or avocado oil)
- Sea salt
- Black pepper
- Optional: Crispy fried sage as a garnish
What Air Fryer Should I Use?
Any reliable air fryer that reaches 390ºF will work. For compact kitchens, a 4-quart model is convenient and efficient. If you cook for a family, choose an extra-large model to fit more squash in a single batch. Look for units that heat evenly and are easy to clean.
How to Roast Air Fryer Butternut Squash
Step 1: Peel the squash with a vegetable peeler—it’s the quickest and safest way.
Step 2: Cut the squash in half lengthwise and scoop out the seeds and stringy pith with a spoon.
Step 3: Slice each half into 1-inch strips (or slightly smaller), then cut the strips into 1-inch cubes for even cooking.
Step 4: Toss the cubes in a large bowl with olive oil, sea salt, and black pepper. Add additional spices or herbs if you like—cinnamon, smoked paprika, or dried thyme work well. Mix until the pieces are evenly coated.
Step 5: Preheat the air fryer to 390ºF for about 5 minutes.
Step 6: Arrange the seasoned cubes in a single layer in the air fryer basket. Cook for 15–18 minutes, shaking or stirring once halfway through, until edges are lightly caramelized and the centers are soft. Note: larger cubes may need a bit more time; smaller cubes will cook faster.
Step 7: Depending on your air fryer capacity, you may cook up to about 3 cups of chopped squash at once (roughly half a medium butternut). If you have more, cook in batches for best results.
How to Store Leftover Butternut Squash
If you prep squash ahead of time, keep raw chopped pieces in an airtight container in the refrigerator for up to 5 days. When you’re ready, season and air fry them fresh.
Cooked squash should be cooled completely and stored in an airtight container in the refrigerator for up to 3 days.
To reheat: Preheat the air fryer to 390ºF, arrange the cooked squash in a single layer, and heat for about 8 minutes to refresh caramelized edges and warm the interior.
Variations for Seasoning Butternut Squash in an Air Fryer
Cinnamon: Add 1/2 teaspoon ground cinnamon with your salt and pepper for a warm, cozy flavor. A pinch of cayenne adds contrast if you like heat.
Parmesan and Sage: Sprinkle 3–4 tablespoons grated Parmesan over hot squash and top with crispy fried sage leaves for a savory finish.
Moroccan Spice: Mix 1/2 teaspoon cumin, 1/2 teaspoon paprika, 1/4 teaspoon ground ginger, and a pinch of cayenne with 1/2 teaspoon sea salt and black pepper. Toss the squash with a tablespoon of olive oil and the spice blend.
Sweet and Spicy: Season with 1/2 teaspoon cinnamon, 1/4 teaspoon ginger, and a grating of nutmeg. After 15 minutes, drizzle a little honey or maple syrup over the hot squash, toss, and return to the air fryer for 3–4 minutes to glaze. Do not add sweeteners at the start or they may burn.
How to Serve Air Fryer Butternut Squash
Simple side dish: Serve with roasted meats or poultry—squash pairs especially well with turkey and chicken.
Salads: Toss hot roasted cubes into winter salads to add warmth, texture, and sweetness.
Grain bowls: Replace part or all of the grain with roasted squash and top with protein, greens, and a dressing.
In chili or stews: Add roasted butternut to chili for extra body and natural sweetness.
Other Butternut Squash Recipes
- Butternut Squash Lasagna
- Turkey Chili with Roasted Butternut Squash
- Butternut Feta Salad
- Butternut Squash Pancakes
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Air Fryer Butternut Squash
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Rate
Equipment
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Air Fryer
Ingredients
- 1 butternut squash
- 1 tablespoon olive oil or avocado oil
- 1/2 teaspoon sea salt or flaky salt, + more to taste
- black pepper to taste
Instructions
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Peel the squash with a vegetable peeler for easiest results.
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Cut the squash in half and scoop out the seeds and pith with a spoon.
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Cut into 1-inch strips, then into 1-inch cubes for even cooking.
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Toss the cubes with olive oil, sea salt, and black pepper. Add optional spices if desired and toss to coat evenly.
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Preheat the air fryer to 390ºF for 5 minutes.
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Arrange the squash in a single layer in the basket and air fry 15–18 minutes, until caramelized and tender. Stir once halfway through.
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If needed, cook in batches; most small air fryers fit about 3 cups (half a medium squash) per batch.
Notes
How to Store Leftover Butternut Squash
Store raw chopped squash in an airtight container in the fridge up to 5 days. Cooked squash will keep for up to 3 days when fully cooled and refrigerated.
To reheat: Preheat the air fryer to 390ºF and reheat the squash in a single layer for about 8 minutes to crisp the edges and warm the centers.
Variations for Seasoning Butternut Squash in an Air Fryer
Cinnamon Butternut Squash: Add 1/2 teaspoon cinnamon with the other seasonings; a pinch of cayenne provides a spicy contrast.
Parmesan Sage Butternut Squash: When the squash is done, immediately sprinkle with 3–4 tablespoons grated Parmesan and top with crispy sage.
Moroccan Spiced: Combine 1/2 teaspoon cumin, 1/2 teaspoon paprika, 1/4 teaspoon ginger, and a pinch of cayenne with 1/2 teaspoon sea salt and black pepper. Toss with 1 tablespoon olive oil.
Sweet and Spicy: Season with 1/2 teaspoon cinnamon, 1/4 teaspoon ginger, and a little fresh nutmeg. After 15 minutes, drizzle with honey or maple syrup, toss, and return to the air fryer for 3–4 minutes to glaze—do not add sweetener at the start to avoid burning.