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Brussels sprouts roasting in a black air fryer basket, developing golden, crispy edges and a delicious caramelized exterior.
4.88 from 8 votes

Easy Air Fryer Brussels Sprouts Recipe

Perfectly crispy Air Fryer Brussels sprouts! This easy recipe includes the option of serving them with a tangy balsamic reduction, but feel free to sprinkle it with Parmesan cheese, breadcrumbs, or leave them plain if preferred.
Prep Time10 minutes
Cook Time15 minutes
Total Time25 minutes
Servings: 4 as a side
Calories: 135kcal

Ingredients

  • 1 pound Brussels Sprouts - ends trimmed, outer leaves removed, cut in half lengthwise
  • 2 tablespoon olive oil - divided
  • ½ teaspoon salt
  • 3 cloves garlic - sliced or minced
  • cup balsamic vinegar
  • 2 tablespoon lemon juice - plus more for serving
  • ½ teaspoon red pepper flakes - optional

Instructions

  • Set your air fryer to 400°F (200°C).
  • Transfer the trimmed and halved Brussels sprouts in a large bowl. Add 1 tablespoon olive oil and ½ teaspoon salt, then toss well to coat.
  • Transfer the Brussels sprouts to the air fryer basket and arrange them in a single layer. Cook for 15 minutes, shaking the basket or stirring the sprouts halfway through (at about 7–8 minutes).
  • With approximately 2-3 minutes remaining, add the garlic and continue to cook until the time is complete and garlic is fragrant and golden brown.
  • Make the Balsamic Reduction (Optional): Add the balsamic vinegar to a small saucepan over medium heat. Simmer until thickened, and slightly syrupy (reduce heat to prevent it from burning). At the end of cooking, whisk in the remaining tablespoon of olive oil and 2 tablespoons of lemon juice. Remove from heat and set aside.
  • Transfer the crispy Brussels sprouts to a serving platter. Drizzle with the balsamic reduction. Sprinkle with red pepper flakes and a squeeze of fresh lemon juice, if desired.

Notes

  • I used my COSORI Air Fryer for this recipe and all Air Fryer recipes on this website. For easier clean-up, I like to line my air fryer basket with these reusable silicone liners.
  • Optional: To get Brussels sprouts that are extra crisp on the outside and tender inside, soak them in cold water for 10–15 minutes before air frying. The water seeps between the leaves and, as the sprouts cook, turns to steam—softening the centers and removing any raw or bitter flavor.
  • This recipe is gluten-free, vegan, low-carb, and keto-approved!
  • For a sweeter balsamic glaze, add 1 teaspoon of honey, maple syrup, or sugar to the balsamic reduction (not vegan if using honey).
  • Store leftovers in an airtight container in the refrigerator for up to 3-4 days. I have not tried freezing cooked Brussels sprouts so I can't guarantee their taste and texture after thawing.

Nutrition

Calories: 135kcal | Carbohydrates: 15g | Protein: 4g | Fat: 7g | Saturated Fat: 1g | Sodium: 329mg | Potassium: 474mg | Fiber: 4g | Sugar: 6g | Vitamin A: 929IU | Vitamin C: 100mg | Calcium: 57mg | Iron: 2mg
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