Air Fryer Potatoes And Onions

Air fryer potatoes and onions are an easy side dish when you want crispy potatoes with sweet roasted onion flavor.

The potatoes turn golden on the outside and soft in the middle, while the onion gets tender with browned edges. I like this recipe for breakfast plates, steak dinners, chicken dinners, or any meal that needs a simple potato side.

The biggest thing I watch is the size of the pieces. The potatoes need to be small enough to cook through, and the onions need to be large enough that they roast instead of burning.

Quick Success Tips

• Cut the potatoes evenly. Similar-size wedges cook more evenly.
• Cut the onion into chunks. Small onion pieces can burn before the potatoes are tender.
• Dry the potatoes well. Wet potatoes tend to steam instead of crisp.
• Coat everything evenly. The oil and seasoning should touch all the potatoes and onions.
• Do not pack the basket too tightly. Crowding makes the potatoes softer.
• Toss during cooking. This helps the potatoes brown and keeps the onions from sitting in one spot.
• Check the largest potato pieces. They should be fork-tender in the center.
• Start checking around 20 minutes. Larger wedges may need closer to 30 minutes.

Why This Recipe Works

Baby red potatoes work well in the air fryer because the skins get crisp while the centers stay soft.

I cut the onion into chunks so it has time to roast with the potatoes. Very small onion pieces can get too dark before the potatoes are done.

The onion soup mix adds quick savory flavor, and the thyme keeps the potatoes from tasting plain. A little olive oil helps the seasoning stick and helps the potatoes brown.

Why You'll Love This Recipe

• You do not have to boil the potatoes first.
• The potatoes get crisp edges and soft centers.
• The onion adds sweet roasted flavor.
• Onion soup mix makes the seasoning easy.
• It works for breakfast, lunch, dinner, holidays, and meal prep.
• Leftovers reheat well in the air fryer.

Ingredients you'll need to make potatoes and onions

**Find the full list of ingredients and exact measurements in the recipe card below.**

• Baby red potatoes: Cut them into wedges close in size so they cook evenly. You can also use baby gold potatoes or mixed baby potatoes.
• Onion: Cut the onion into chunks instead of tiny pieces. Larger pieces roast better with the potatoes.
• Olive oil: Helps the seasoning stick and helps the potatoes brown.
• Thyme: Adds simple herb flavor. Rosemary or oregano can also work.
• Dry onion soup mix: Adds savory onion flavor quickly. Check the salt level before adding any extra salt.
• Fresh herbs: Add after cooking when you want a fresh finish.

How to make potatoes and onions in the air fryer?

• Rinse the baby potatoes, dry them well, and cut them into wedges.
• Cut the onion into large chunks.
• Add the potatoes and onion to a large bowl. Drizzle with olive oil, then add the thyme and dry onion soup mix.
• Toss until the potatoes and onions are evenly coated.

• Transfer everything to the air fryer basket in an even layer.
• Air fry at 370°F for 20-30 minutes, tossing occasionally, until the potatoes are golden and fork-tender and the onions are tender with browned edges.

Finally: Remove from the air fryer basket, and garnish with fresh herbs. Enjoy!

Helpful Tips

• Cut the potatoes into similar-size wedges.
• Keep the onion pieces larger than you think so they do not burn too early.
• Dry the potatoes after rinsing.
• Toss well so the onion soup mix coats the potatoes evenly.
• Spread everything out as much as your basket allows.
• Toss occasionally during cooking so more sides brown.
• Check the largest potato pieces before removing the basket.
• Add fresh herbs after cooking for the best flavor.

How Long to Cook Potatoes and Onions in the Air Fryer

Potatoes and onions usually take 20-30 minutes at 370°F in the air fryer.

Smaller potato wedges may be ready closer to 20 minutes. Larger wedges may need closer to 30 minutes.

The potatoes are done when they are golden outside and fork-tender in the center. The onions should be tender with browned edges, not burned.

Make It a Meal

Breakfast plate: Serve these potatoes and onions with eggs, bacon, sausage, turkey bacon, avocado, or breakfast bowls.

Steak dinner: Pair them with Air Fryer New York Strip Steak, Air Fryer T-Bone Steak, Air Fryer Ribeye Steak, Air Fryer Porterhouse Steak, or Air Fryer Steak Bites.

Chicken dinner: Serve with Air Fryer Grilled Chicken Breast, Air Fryer Chicken Thighs, Air Fryer Chicken Tenders, or Air Fryer Lemon Pepper Chicken Thighs.

Turkey or holiday dinner: Add them to a small holiday plate with Air Fryer Turkey Tenderloin, Air Fryer Turkey Thighs, Air Fryer Cornish Hen, Air Fryer Green Beans and Bacon, Air Fryer Brussels Sprouts With Pancetta, or Air Fryer Acorn Squash.

Pork dinner: Pair with Air Fryer Pork Chops, Air Fryer BBQ Pork Chops, Air Fryer Stuffed Pork Chops, or Air Fryer Breaded Pork Tenderloin.

Seafood dinner: Serve with Air Fryer Salmon Steak, Air Fryer Stuffed Salmon, Air Fryer Blackened Salmon, Air Fryer Shrimp With Shells, or Air Fryer Scallops.

Simple vegetable plate: Keep dinner easy with Air Fryer Garlic Green Beans, Air Fryer Asparagus, Air Fryer Brussels Sprouts With Pancetta, or a simple salad.

How to Store and Reheat Potatoes and Onions

Store leftover potatoes and onions in an airtight container in the refrigerator for up to 4 days.

You can freeze them for up to 3 months, but the texture is best from fresh or refrigerated leftovers. Frozen potatoes and onions may be softer after reheating.

Reheat in the air fryer at 380°F for about 5 minutes, or until hot and crisp again.

The microwave works when you are in a hurry, but the potatoes will be softer.

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