This crisp, golden side dish turns humble Brussels sprouts into a craveable, diabetic-friendly treat. Roasting with circulating air concentrates flavor without excess oil, while a burst of lemon and a shower of Parmesan add brightness and savory depth. With only about 7 grams net carbs per serving, these sprouts deliver satisfying crunch and flavor without spiking blood sugar. Packed with nonstarchy fiber and paired with heart-healthy fats from olive oil and pecans, this recipe supports steadier glucose and longer-lasting fullness. The mix of fiber, fat, and protein keeps overall glycemic impact low, so it is perfect next to lean proteins or fish. For seafood inspiration, see all [seafood dishes](/recipes/category/seafood). If you enjoy keto air fryer salmon or need low carb air fryer salmon ideas, these sprouts are a natural match and help round out the plate with micronutrients like vitamin K and C. For readers curious about air fryer time and temp keto guidance, these sprouts cook at 375 degrees Fahrenheit for 10 to 12 minutes until caramelized and tender. If you serve them with fish, remember the USDA recommends cooking fish to 145 degrees Fahrenheit. A simple sprinkle of Parmesan and lemon juice at the end keeps flavors bright without added sugar. Pro tips: Dry your sprouts very well for maximum crispiness, then place them cut side down in a single layer. Shake the basket halfway so edges brown evenly. A light mist from a [quality olive oil sprayer](https://rocktopgear.com/amazon) prevents sogginess while keeping calories in check. For easy cleanup, consider perforated air fryer liners for low carb cooking, though direct contact with the basket crisps best. If pairing with proteins, verify doneness with a [digital meat thermometer](https://rocktopgear.com/amazon). Need gear? Here is a solid everyday [air fryer](https://rocktopgear.com/amazon). Serve alongside grilled chicken or keto air fryer salmon, or plate it with a weeknight roast. If you want a hearty main, search our site for an air fryer beef short ribs low carb recipe to complement this side. For meal prep, these reheat beautifully at 360 degrees Fahrenheit for 3 to 4 minutes. For more setup tips, visit our [beginner's air fryer guide](/blog/beginners-air-fryer-guide) and plan ahead with our [keto meal prep tips](/blog/keto-meal-prep-guide). Pair this side with our crunchy, creamy [keto coleslaw](/recipes/keto-coleslaw) for a full low carb spread. FAQ - Why flip or shake halfway? Flipping exposes new surfaces to hot air, helping moisture escape and giving you even browning and better crunch. - How do I store this to maintain crispiness? Refrigerate in a shallow container with the lid slightly ajar for the first 30 minutes to vent steam, then seal up to 3 days. Re-crisp in the air fryer at 360 degrees Fahrenheit for 3 to 4 minutes. - How do I know when meat is fully cooked if I serve this with a protein? Use a [digital meat thermometer](https://rocktopgear.com/amazon). USDA guidance: fish 145 degrees Fahrenheit, pork or lamb chops 145 degrees Fahrenheit then rest 3 minutes before slicing.
Prep: 10 min. Cook: 12 min. Servings: 4.