Last Updated on February 23, 2023 by Betty Davies
This quick and easy side dish is perfect for your favorite weeknight dinners. Cooked in the air fryer, seasoned potatoes and onions are a versatile side that requires very little work. Baby potatoes are tender and buttery, and the sliced onions are perfectly sweet.
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If you are looking for a cheap and easy side dish that is crazy easy to make, then these air fryer potatoes and onions tick all the right boxes. Using everyday pantry seasonings, this recipe requires hardly any prep and the cooking time is virtually hands off.
The baby potatoes are roasted til crispy on the outside and tender and buttery in the middle, and the onions get beautifully charred and caramelized for a wonderful flavor.
Ready to serve in less than 30 minutes, this versatile potato side dish is a welcome addition to any dinner.
Be sure to try my Air Fryer Diced Potatoes and Air Fryer Tinned Potatoes too!
Why you will love this recipe!
- Easy to make: Quickly cut the potatoes in half, slice the onions, toss in oil and seasonings and let the air fryer do all of the hard work.
- So versatile: This is a great side dish to serve up with so many main dishes. When you don’t know what to serve up with your chicken, fish or meat, these will likely work just wonderfully!
- Dietary info: These air fryer potatoes and onions are gluten-free, dairy-free and vegan and vegetarian.
Ingredients
- Potatoes: I love to use baby potatoes in this recipe. They require very little prep, and have a wonderful creamy texture to them.
- Onion: This recipe uses a large Spanish or yellow onion, they have a milder and sweeter flavor than white onions.
- Oil: Use a neutral flavored oil with a high smoking point. Avocado, vegetable and canola all work great.
- Seasonings: Salt, black pepper, garlic powder and paprika.
How to Air Fry Potatoes and Onions
Be sure to scroll down for the full recipe!
- Cut the potatoes and onions, and mix with the oil and seasonings (photo 1).
- Place in the air fryer basket (photo 2).
- Cook til the potatoes are browned, crispy and tender in the middle (photo 3).
Recipe Variations
You can easily adjust the seasonings to suit whatever you are serving this side dish with. Italian seasoning, red chili flakes and other herbs and spice blends can be used.
I love to have my onions slightly charred, if you want yours less done and softer, add them in half way through cooking the potatoes.
Frequently Asked Questions
These potatoes and onions come out great in the air fryer and take less time than oven roasting, but you can easily cook them in the oven if you don’t have an air fryer. Roast them at 400F / 200c for around 30 minutes.
I’ve had the best results with baby potatoes, and other waxy potatoes like reds will work well. Starchy potatoes will also work and will be fluffy rather than creamy. Larger potatoes should be cut into smaller cubes so that they cook through fully.
Because baby potatoes have less starch than Russets or Yukon Golds, there is no need to soak them first. Just give them a wash to remove any loose dirt, cut in half and they are ready to be cooked.
Serving Suggestions
Air fried potatoes and onions are a great veggie and potato side dish that will work with all kinds of main dishes. Try them with some of these favorites:
Make Ahead, Storage and Reheating
You can season the potatoes and onions up to an hour before you want to cook them. I wouldn’t prep them earlier than that as the potatoes may start to brown.
Once cooked, they will keep well, covered in the fridge, for up to 4 days. You can quickly reheat them in the air fryer at 400F / 200c for 3 to 5 minutes to serve.
Recipe Notes and Tips
- I prefer to cut the potatoes in half as you get more crispy edges and they are sure to cook through. Smaller potatoes can be left whole if you prefer.
- I love to have my onions slightly charred, if you want yours less done and softer, add them in half way through cooking the potatoes.
- Preheat the air fryer before adding the potatoes and onions. If your air fryer doesn’t have a preheat function, let it run at 400F / 200c for 5 minutes while you prep everything.
- This recipe is easily doubled, but if you do, you will need to shake the basket a few extra times during cooking to make sure that everything is cooked evenly.
These air fryer potatoes and onions are a simple but delicious side dish. Quick to prep and cook, they come out perfectly every single time!
More Air Fryer Potato Recipes
- Air Fryer Frozen Hash Browns
- Air Fryer Hasselback Potatoes
- Air Fryer Baby Potatoes
- Air Fryer Fingerling Potatoes
If you’ve tried this recipe, be sure to leave a star rating and a comment below!
Air Fryer Potatoes and Onions
Equipment
Ingredients
- 1 pound baby potatoes
- 1 large onion
- 3 tablespoons oil (avocado, vegetable, canola etc)
- ¼ teaspoon salt
- pinch black pepper
- ½ teaspoon garlic powder
- ¼ teaspoon paprika
Instructions
- Preheat the air fryer to 400F / 200c.
- Cut the potatoes in half and add to a large bowl. Slice the onion and add to the potatoes.
- Add the oil and seasonings to the bowl and toss well so that the potatoes and onions are evenly coated.
- Once the air fryer is at temperature, add the seasoned potatoes and onions to the basket. Set to cook at 400F / 200c for 20 minutes.
- Toss halfway through so that everything cooks evenly. Check for doneness from 17 minutes.
Notes
- I prefer to cut the potatoes in half as you get more crispy edges and they are sure to cook through. Smaller potatoes can be left whole if you prefer.
- I love to have my onions slightly charred, if you want yours less done and softer, add them in half way through cooking the potatoes.
- Preheat the air fryer before adding the potatoes and onions. If your air fryer doesn’t have a preheat function, let it run at 400F / 200c for 5 minutes while you prep everything.
- This recipe is easily doubled, but if you do, you will need to shake the basket a few extra times during cooking to make sure that everything is cooked evenly.
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