Have you seen the viral TikTok crispy onion chips everyone’s raving about? These air fryer onion chips are the perfect low-carb snack that’s crunchy, savory, and incredibly addictive! Made with just two ingredients – onions and cheese – they’re keto-friendly, gluten-free, and ready in under 15 minutes.
I first stumbled upon this recipe while scrolling through TikTok at midnight (as one does), and I couldn’t believe something so simple could taste this amazing. The combination of caramelized onions and melted, crispy cheese creates a chip that rivals any store-bought snack.
The TikTok Phenomenon Behind Onion Chips
If you’ve spent any time on FoodTok (the food side of TikTok), you’ve probably seen these crispy onion chips flooding your feed. With millions of views and thousands of people making their own versions, this recipe has become one of 2025’s biggest food trends.
What started as a simple hack for creating low-carb chips has turned into a full-blown movement. Home cooks are experimenting with different cheese combinations, seasonings, and even dipping sauces. Some creators add everything bagel seasoning, others go for a spicy kick with cayenne, and a few adventurous souls have even tried sweet versions with cinnamon and cream cheese.
The beauty of this recipe lies in its simplicity. In a world of complicated cooking techniques and endless ingredient lists, sometimes the best recipes are the ones that strip everything back to basics. Two ingredients. One air fryer. Fifteen minutes. That’s all you need.
Nutritional Benefits of Air Fryer Onion Chips
Beyond being delicious, these onion chips actually pack some nutritional benefits that make them a smarter snack choice:
Onions are nutritional powerhouses:
- Rich in antioxidants, particularly quercetin
- Good source of vitamin C and B vitamins
- Contain prebiotic fiber that supports gut health
- May help reduce inflammation
Cheese adds protein and calcium:
- Provides high-quality protein to keep you full
- Excellent source of calcium for bone health
- Contains conjugated linoleic acid (CLA)
- Rich in vitamin A and zinc
Air frying vs. deep frying:
Traditional chips are deep-fried in oil, adding hundreds of empty calories. Air frying uses minimal to no oil, cutting calories by up to 80% while still delivering that satisfying crunch we all crave.Pro Tips
Flavor Variations to Try
Once you’ve mastered the basic recipe, the fun really begins! Here are some delicious variations to keep things interesting:
Spicy Jalapeño Onion Chips
Add thinly sliced jalapeños between onion layers and use pepper jack cheese. Perfect for heat lovers!
Italian Herb Chips
Mix dried Italian herbs (basil, oregano, thyme) with parmesan cheese. Tastes like pizza without the carbs.
BBQ Ranch Chips
Sprinkle ranch seasoning and smoked paprika for that classic BBQ flavor.
Everything Bagel Chips
Top with everything bagel seasoning before air frying. Breakfast-inspired and absolutely addictive.
Garlic Parmesan
Mix garlic powder with grated parmesan for a classic flavor combination that never disappoints.
Best Dipping Sauces
These chips are fantastic on their own, but dipping sauces take them to the next level:
- Sour Cream & Chive: Classic and cooling
- Ranch Dressing: Always a crowd-pleaser
- Guacamole: Creamy and healthy
- Salsa: Fresh and zesty
- Buffalo Sauce: For those who love heat
- Blue Cheese Dip: Rich and tangy
- Greek Yogurt Dip: High-protein option
Common Mistakes to Avoid
Mistake #1: Cutting onions too thick
Thick slices won’t crisp up properly. Use a mandoline for paper-thin, uniform slices.
Mistake #2: Using pre-shredded cheese
Pre-shredded cheese contains anti-caking agents that prevent proper melting. Always shred fresh cheese for best results.
Mistake #3: Overcrowding the air fryer
Leave space between chips for air circulation. Work in batches if needed.
Mistake #4: Not letting them cool
The chips continue crisping as they cool. Be patient!
Mistake #5: Storing while still warm
Moisture from warm chips will make them soggy. Cool completely first.
Why You’ll Love These Air Fryer Onion Chips
✓ Only 2 ingredients
✓ Low-carb and keto-friendly
✓ Gluten-free
✓ Ready in 15 minutes
✓ Perfect for snacking, parties, or meal prep
✓ Customizable with your favorite seasonings
Ingredients
- 2 large yellow or sweet onions, thinly sliced
- 1 cup shredded cheese (cheddar, mozzarella, or parmesan work great)
- Optional: garlic powder, paprika, or ranch seasoning
Instructions
- Prep Your Onions: Slice onions as thinly as possible using a mandoline or sharp knife. Thinner slices = crispier chips!
- Layer the Ingredients: Line your air fryer basket with parchment paper. Arrange onion slices in a single layer, then sprinkle shredded cheese on top.
- Season (optional): Add your favorite seasonings like garlic powder, paprika, or everything bagel seasoning.
- Air Fry: Cook at 350°F (175°C) for 10-12 minutes until golden and crispy. Check at 8 minutes to prevent burning.
- Cool and Enjoy: Let chips cool for 2-3 minutes to get extra crispy, then devour!
Pro Tips for Perfect Onion Chips
- Use a mandoline for ultra-thin, uniform slices
- Don’t overcrowd – make in batches for maximum crispiness
- Experiment with cheese – aged cheddar gives the best flavor
- Add spice – cayenne pepper or chili flakes for a kick
- Store properly – keep in an airtight container for up to 3 days
FAQ: Air Fryer Onion Chips
Can I use different types of onions?
Yes! Yellow onions work best for a savory flavor, but sweet onions (like Vidalia) give a milder, sweeter taste. Red onions work too but may be slightly bitter.
What cheese works best?
Aged cheddar provides the most flavor and crispiness. Parmesan gives a salty, nutty taste, while mozzarella makes them extra gooey. Mix different cheeses for variety!
Can I make these in a regular oven?
Absolutely! Bake at 375°F (190°C) for 15-18 minutes on a parchment-lined baking sheet.
Are these really keto-friendly?
Yes! With only onions and cheese, they’re low in carbs (about 3-4g net carbs per serving) and high in fat, making them perfect for keto diets.
How do I keep them crispy?
Let them cool completely before storing, and keep them in an airtight container with a paper towel to absorb any moisture.
Serving Suggestions and Pairings
These crispy onion chips are incredibly versatile and can be enjoyed in multiple ways beyond simple snacking. Serve them as an elegant appetizer at dinner parties by arranging them on a wooden board with an assortment of gourmet dips. They make a fantastic topping for salads, adding a delightful crunch and savory flavor that elevates any green salad or Caesar salad to restaurant quality.
For game day or movie nights, create a snack board featuring these onion chips alongside vegetable sticks, cheese cubes, olives, and your favorite dips. They’re also perfect as a garnish for soups – try crumbling them over French onion soup, tomato bisque, or creamy potato soup for added texture and flavor.
Pair these chips with main courses too! They complement grilled chicken, steak, or fish beautifully. Use them as a side dish replacement for traditional french fries or potato chips. Some creative home cooks even use them as a crunchy topping for casseroles or incorporate them into wraps and sandwiches for extra texture.
Final Thoughts
These viral TikTok air fryer onion chips are proof that the best recipes are often the simplest. Whether you’re following a keto diet, looking for a healthier snack option, or just want to try the latest food trend, these crispy, cheesy chips won’t disappoint.
Make a big batch for your next movie night, game day, or whenever the snack cravings hit. Trust me, they’ll disappear fast! 🧅✨