7 Best Air Fryers for Keto Cooking in 2025
After testing 15+ air fryers over 6 months of keto cooking, we've found the best options for crispy Brussels sprouts, perfect cauliflower bites, and everything in between. Here are our top picks for every budget.
⚡ Our Top Picks at a Glance
📋 In This Guide
Why Air Fryers Are Perfect for Keto
Air fryers and keto go together like bacon and eggs. You get crispy, satisfying textures without breading or excess oil. Brussels sprouts get caramelized edges, cauliflower gets that roasted crunch, and zucchini chips come out perfectly crisp.
After months of testing, here are the air fryers that earned a permanent spot in our keto kitchen.
The Ninja Foodi 6-in-1 is our top pick because of its dual-basket design. Cook your main protein in one basket and a keto side in the other — both finishing at the same time. The DualZone technology is a game-changer for meal prep.
👍 What We Love
- Two independent baskets
- Smart Finish syncs both baskets
- XL 8-quart total capacity
- Easy-clean baskets
- 6 cooking functions
👎 Considerations
- Large footprint
- Premium price point
- Can be loud at max temp
📋 Key Specifications
If you want excellent performance without the premium price, the COSORI Pro II delivers. It's Amazon's #1 best-seller for good reason — reliable, spacious, and with 12 presets that actually work well.
👍 What We Love
- Unbeatable value
- 12 useful presets
- Shake reminder feature
- Quiet operation
- Dishwasher-safe basket
👎 Considerations
- Single basket only
- No window to check food
- App features limited
📋 Key Specifications
When you're cooking keto sides for the whole family, you need capacity. The Ninja Max XL's 5.5qt basket handles a full head of cauliflower or enough Brussels sprouts for 6+ servings in one batch.
👍 What We Love
- Max Crisp tech = extra crunch
- Huge capacity
- 450°F max temp
- Ceramic-coated basket
👎 Considerations
- Takes counter space
- Heavy unit
Perfect for solo keto cooking or small kitchens. Don't let the size fool you — the Dash Compact makes perfect portions of crispy zucchini fries, bacon-wrapped jalapeños, or a single serving of roasted veggies.
👍 What We Love
- Incredibly affordable
- Fits anywhere
- Perfect for 1-2 servings
- Cute retro colors
👎 Considerations
- 2qt capacity limits batches
- No digital controls
- Manual timer only
❓ Frequently Asked Questions
Are air fryers good for keto cooking?
Absolutely! Air fryers excel at creating crispy textures without breading or excessive oil. Perfect for vegetables, bacon-wrapped sides, and cheese crisps.
What size air fryer do I need for keto meal prep?
For meal prep, we recommend at least 5 quarts. This lets you cook enough vegetables for several days in fewer batches.
Can I make keto side dishes in any air fryer?
Yes, any air fryer works for keto sides. However, models with higher temperature settings (450°F) produce crispier results on vegetables.
What's the best air fryer under $100?
The COSORI Pro II at $89 offers the best combination of capacity, features, and reliability under $100.