Peel and cut the butternut squash into ¾-inch cubes for even and quick cooking.
Transfer the butternut squash to a bowl. Add olive oil and season with garlic powder, salt, and pepper. Toss them well, so they are all coated with the seasoning.
Preheat the air fryer to 380°F (190°C). Add the seasoned butternut squash to the air fryer basket and spread them in a single layer (cook in batches if required).
Air fryer them at 380°F (190°C) for 16-18 minutes or until slightly brown on the edge and crisp. Shake the basket halfway through. Mine was cooked perfectly in 16 minutes.
Roasted butternut squash is ready. Remove it in a serving plate and serve it immediately.
Oven Method:
Preheat the oven to 400°F. Transfer the diced butternut squash to a baking sheet. You can add oil and seasonings to the sheet tray itself.Spread them evenly in a single layer and cook for about 25-30 minutes, or until golden brown around the edges (time may vary based on the size of your cubes). You may have to turn them once halfway through.
Video
Notes
Expert Tips & Notes
Dice them into the same size: This helps for quick and even cooking.
Cook in batches. Make sure to spread the butternut squash in a single layer in the air fryer basket without overcrowding, so that the veggies don't steam. Cook in batches if needed.
Shake the basket halfway: It's important to shake the basket halfway through to allow the sweet potatoes to be cooked evenly.
Serve them right away: These crispy roasted butternut squash get soggy as they sit and cool.
You may also get store brought pre-cut butternut squash and use them in this recipe.
The exact cooking time will vary based on the air fryer being used.
Seasoning Variations
Lemon wedges: Add a fresh squeeze of lemon juice right before serving.
Cheese: Sprinkle freshly grated Parmesan cheese over the roasted sweet potatoes.
Herbs: add Italian seasoning or freshly chopped parsley or cilantro.
Spices: You can also add ground cumin, turmeric, red chili powder, and garam masala for an Indian twist. Taco seasoning or Fajita Seasoning for Tex-Mex twist before roasting.
Sweet: You can add ½ teaspoon ground cinnamon and ½ tablespoon honey or sugar before roasting.
Note: Nutrition values are my best estimates. If you rely on them for your diet, use your preferred nutrition calculator.