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Air Fryer Crispy Tempura Green Beans

A pile of golden brown Air Fryer Crispy Tempura Green Beans served on a white plate.

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Make exceptionally crispy green beans in your air fryer using a light tempura-style batter for a crunchy, satisfying side dish.

Ingredients

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  • 1 pound fresh green beans, trimmed
  • 1 cup all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 large egg
  • 3/4 cup ice-cold sparkling water
  • Cooking spray (high-heat oil recommended)

Instructions

  1. Wash and thoroughly dry the green beans. Pat them completely dry with paper towels; moisture prevents crispness.
  2. In a medium bowl, whisk together the flour, baking powder, salt, and pepper.
  3. In a separate small bowl, lightly beat the egg. Add the egg and the ice-cold sparkling water to the dry ingredients. Mix briefly with a fork until just combined. Do not overmix; lumps are acceptable for a light batter.
  4. Preheat your air fryer to 380°F (195°C) for 5 minutes.
  5. Lightly spray the air fryer basket with cooking spray.
  6. Dip the dried green beans into the batter, allowing excess to drip off slightly. You want a thin coating.
  7. Place the battered green beans in a single layer in the preheated air fryer basket. Do not overcrowd the basket; work in batches if necessary.
  8. Lightly spray the tops of the battered beans with cooking spray.
  9. Air fry for 8 to 10 minutes, flipping or shaking the basket halfway through the cooking time.
  10. Check for crispness. If they are not golden brown and crisp, continue cooking for 1 to 2 minutes more.
  11. Remove from the air fryer and serve immediately with your preferred dipping sauce.

Notes

  • The key to crispness is using ice-cold liquid for the batter and ensuring the green beans are completely dry before dipping.
  • For the best results, use a high-heat cooking spray like avocado or canola oil.
  • If you want a dipping sauce, mix 1/4 cup soy sauce, 2 tablespoons rice vinegar, 1 teaspoon grated fresh ginger, and a dash of sesame oil.

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