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Air Fryer Keto Herb-Crusted Chicken Thighs with Garlic Butter Sauce
By Airfryfeast Test KitchenReviewed by Airfryfeast Editorial TeamPublished Apr 13, 2026 · Updated Jun 16, 2026
American
28 mins
air-fryer-friendlylow-carbhigh-proteingluten-freehealthycrispeasyfamily-friendlyweeknight-dinnercomfort-food30-minutes-or-lessketov2
This air fryer recipe delivers juicy, crispy chicken thighs coated in a flavorful, keto-friendly herb crust and finished with a rich garlic butter sauce. Ready in under 30 minutes, it's a perfect low-carb, gluten-free, and high-protein main course ideal for quick weeknight dinners and family-friendly meals.
Prep
10 min
Cook
18 min
Total
28 min
Servings
4
Difficulty
easy
Cuisine
American
Ingredients
Servings
4
- 4 bone-in, skin-on chicken thighs (about 1.5 pounds total)
- 1/2 cup almond flour
- 2 tbsp grated Parmesan cheese
- 1 tbsp fresh parsley, finely chopped
- 1 tbsp fresh thyme leaves
- 1 tsp dried oregano
- 1 tsp garlic powder
- 1/2 tsp smoked paprika
- 1/2 tsp salt
- 1/4 tsp black pepper
- 2 tbsp olive oil
- 3 tbsp unsalted butter
- 3 garlic cloves, minced
- 1 tsp fresh lemon juice
- Fresh parsley for garnish (optional)
Instructions
-
Preheat your air fryer to 400°F (200°C) for 5 minutes.
-
In a medium bowl, mix almond flour, Parmesan cheese, parsley, thyme, oregano, garlic powder, smoked paprika, salt, and black pepper to create the herb crust mixture.
-
Pat the chicken thighs dry with paper towels. Drizzle olive oil evenly over each thigh, rubbing it all around to coat thoroughly.
-
Coat each chicken thigh evenly with the herb crust mixture, pressing firmly to adhere the crust on all sides.
-
Place the coated chicken thighs in a single layer in the air fryer basket, skin side up, ensuring no overcrowding. Cook in batches if necessary.
-
Air fry for 18-20 minutes, flipping halfway at 9 minutes, until the skin is golden and crispy and the internal temperature reaches 165°F (74°C).
-
Meanwhile, melt butter in a small skillet over medium heat. Add minced garlic and sauté for 1-2 minutes until fragrant and lightly golden, stirring constantly to prevent burning.
-
Remove from heat and stir in fresh lemon juice. Keep warm until serving.
-
Transfer cooked chicken thighs to a serving plate and drizzle generously with warm garlic butter sauce.
-
Garnish with fresh parsley if desired and serve immediately with your favorite low-carb side dishes.
Tips
Air Fryer Model Notes
Cook Air Fryer Keto Herb-Crusted Chicken Thighs with Garlic Butter Sauce in a single layer when possible. Basket models may need batches; oven-style models may need a tray rotation halfway through for even browning.
Crispiness Control
Pat the bone-in dry, avoid crowding, and use only a light coat of oil or sauce before cooking. Add wet sauces near the end when you want the outside to stay crisp.
Doneness Cues
Look for browned edges, a hot center, and the texture described in the instructions. For meat or seafood, confirm doneness with a thermometer instead of relying only on color.
Reheat In The Air Fryer
Reheat leftovers at 325 F to 350 F in a single layer until hot and crisp again. Add fresh herbs, citrus, or sauce after reheating.
Frequently Asked Questions
- Can I make Air Fryer Keto Herb-Crusted Chicken Thighs with Garlic Butter Sauce ahead of time?
- You can prep the ingredients and seasoning ahead, but air fry close to serving for the best texture.
- How do I keep this recipe from turning soggy?
- Cook in a single layer, leave space for airflow, and avoid adding too much oil or sauce before the food has crisped.
- Can I adjust the seasoning?
- Yes. Keep the same cooking method and adjust salt, spice, herbs, citrus, or sauce to match your taste.
- How do I know the bone-in is done?
- Use the visual cues in the instructions first: the outside should be browned or crisp and the center should be hot and tender. For meat or seafood, confirm doneness with a food thermometer.
Ingredient Replacements
Customize this recipe for dietary needs or preferences:
- Chicken Thighs: Substitute boneless skin-on chicken breasts for leaner protein or turkey thighs for similar taste and texture.
- Almond Flour: Swap with crushed pork rinds or coconut flour to maintain low-carb and keto standards.
- Parmesan Cheese: Nutritional yeast offers a dairy-free, vegan alternative with savory flavor.
- Butter: Use ghee or avocado oil for a dairy-free, keto-friendly garlic sauce.
- Olive Oil: Avocado oil or melted coconut oil are healthy alternatives preserving crispiness.
- Note: Coconut flour is more absorbent; adjust amounts accordingly.
These substitutions preserve the recipe’s low-carb, keto, gluten-free, and air-fryer-friendly qualities while providing flexibility.
Storage
Store leftover Air Fryer Keto Herb-Crusted Chicken Thighs with Garlic Butter Sauce in an airtight container in the refrigerator for up to 3 days. Cool the food before sealing so excess steam does not soften the texture.
Freeze only if the main ingredient and coating are freezer-friendly. Wrap tightly and freeze for up to 1 month, then thaw overnight in the refrigerator before reheating.
Reheat in the air fryer at 325 F to 350 F in a single layer until hot and crisp again. Add fresh herbs, citrus, or sauce after reheating for the best flavor.
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