Cooking acorn squash usually means preheating the oven and cooking it for close to an hour. Making air fryer acorn squash gets you there in about half the time, with caramelized edges and a soft, spoonable middle. You just cut it, season it, and let the air fryer handle the rest.
I started making squash in the air fryer on weeknights when I wanted something besides the usual roasted potatoes or green beans. My kids were skeptical at first, so I began dusting the halves with cinnamon before they went in. That one change turned squash into a vegetable they actually eat.
The cinnamon caramelizes along the edges while the inside turns soft. It works on either a random weeknight or next to the Thanksgiving turkey, and it takes about five minutes of real effort.
Below I’ll show you how to pick a good squash, cut it safely, the exact air fryer time and temperature, along with the most common mistakes home cooks make so you can avoid them. It’s an easy side that goes with almost any fall dinner and cleans up in about a minute.
Looking for more ways to cook winter squash? Try my air fryer butternut squash and air fryer spaghetti squash. For more air fryer fall sides, there’s air fryer baked apples, air fryer apple crisp, air fryer turkey legs and air fryer pork loin.
Ingredient Notes
For exact amounts needed see the recipe card below
- Acorn squash: Pick one that will actually fit in your air fryer basket. Look for smooth green skin with no soft spots. Shiny skin usually means it was picked before it was ready.
- Olive oil
- Salt
- Cinnamon
How to Roast Acorn Squash in the Air Fryer
- Wash the squash and dry it off completely.
- Cut it in half with a large, sharp knife. If it feels too hard to cut safely, microwave it for 20 to 30 seconds first and the knife will go through much easier.
- Scoop out all the seeds and stringy bits with a spoon. A grapefruit spoon or a melon baller makes this easier. Leave the squash in halves, or cut it into wedges if you want it to cook a little faster.
- Brush the cut sides with the olive oil, then sprinkle on the salt and cinnamon. Cooking spray works here too.
- Put the halves in the air fryer basket cut side up. Cook at 370 degrees F for 20 minutes. There is no need to flip it.
- Check it with a fork. It’s done when the fork slides in easily and the edges are just starting to brown. If it needs more time, cook another 5 minutes and check again.
- Serve the halves as they are, or scoop the squash into a bowl and mash it.
How Long to Air Fry Acorn Squash
Halves take about 20 minutes at 370 degrees F, and up to 25 if your squash is on the bigger side. Wedges run a little faster, closer to 15 minutes, because more surface area is exposed to the heat. A whole acorn squash that fits without cutting takes about 30 minutes.
Serving Ideas
My favorite way to serve this is with a sprinkle of cinnamon. It adds just a bit of sweetness and makes the taste less overwhelmingly “squashy”.
Acorn squash is a natural next to roast chicken, pork loin, or turkey breast, so it earns a spot on the Thanksgiving table too. For a sweeter side, add a pat of butter to each half, then drizzle a little maple syrup over them once they come out.
How to Store
Store leftovers in an airtight container in the fridge for 2 to 3 days. When you’re ready to eat, scoop the squash out of the shells and mash it with a little butter. Heat it in the microwave for a quick, low-effort side dish.
Tips for the Best Air Fryer Acorn Squash
Be sure to check out the step by step instructions
- Microwave the whole squash for 20 to 30 seconds before cutting if the skin is tough. It makes cutting much easier.
- Add brown sugar or maple syrup to the cut sides before roasting for extra-caramelized edges. The sugar browns as it cooks.
- Cut the squash into wedges when you’re short on time, since smaller pieces cook faster.
- Use the fork test instead of the timer. Air fryer models run hot or cool, and the fork never lies.
- Cinnamon gives the squash a light, slightly sweet flavor. Leave it out for a savory side, or swap in garlic powder and herbs.
Common Mistakes to Avoid
- Pulling it out too early. If the center still feels firm, it needs more time. Give it another 5 minutes and check again.
- Skipping the oil. A thin coat helps the seasoning stick and the edges brown rather than dry out.
- Crowding the basket. Piling in too much squash steams it instead of roasting it, and you lose the browned edges.
- Cutting uneven pieces. Wildly different sizes cook at different rates, so one piece is mush while another is still hard.
Reader Questions
Sure, if it fits without cutting, you can roast it whole at 370 degrees F for about 30 minutes, until it’s cooked through. I usually cut mine in half because it roasts faster and it’s easier to serve.
Yes. Once it’s roasted, the skin turns soft enough to eat. If you’d rather skip it, scoop the flesh out of the shell before serving.
It is. Acorn squash is full of fiber and vitamin C, plus minerals like potassium, magnesium and phosphorus. Cooking it in the air fryer means you need only a small amount of oil.
Usually that’s from cooking too long or adding too much oil or sugar. Start with the times above, use the fork test, and pull it as soon as a fork slides in easily.
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Air Fryer Acorn Squash Recipe
Ingredients
- 1 acorn squash
- 1 teaspoon olive oil
- ½ teaspoon salt
- ½ teaspoon cinnamon
Instructions
- Wash the squash and dry it.1 acorn squash
- Use a large, sharp knife to cut it in half.
- Scoop out all the seeds and insides using a spoon. You can leave it in halves or cut it into wedges if you prefer.
- Brush the cut sides with the olive oil and sprinkle on the salt and cinnamon.1 teaspoon olive oil, ½ teaspoon cinnamon, ½ teaspoon salt
- Put the halves in the air fryer basket cut side up. Cook it at 370 degrees F for 20 minutes.
- It is done when a fork goes easily into the flesh and the edges just start to brown.
- Serve the halves as is or scoop the squash into a bowl and serve it mashed.
Notes
Seasoning variations
- For a sweeter side dish add brown sugar or maple syrup
- For a savory side dish use simple Italian herbs like rosemary or thyme
Tips
- Microwave the whole squash for 20 to 30 seconds before cutting if the skin is tough. It makes cutting much easier.
- Add brown sugar or maple syrup to the cut sides before roasting for extra-caramelized edges. The sugar browns as it cooks.
- Cut the squash into wedges when you’re short on time, since smaller pieces cook faster.
- Use the fork test instead of the timer. Air fryer models run hot or cool, and the fork never lies.
- Cinnamon gives the squash a light, slightly sweet flavor. Leave it out for a savory side, or swap in garlic powder and herbs.
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Nutrition Information
Nutrition facts are estimates.
