Fatma AktürkPremier Commis
03 July 2026 Last updated: 12 September 2026

This take on thinly battered Japanese tempura cooks slices of zucchini, eggplant, and sweet potato in an air fryer with a little oil. The light batter is made with ice-cold sparkling water. Compared with traditional deep-frying, this method uses significantly less oil.

Step by Step

How to make it?

1

Make the Batter

3 min

Lightly whisk the flour, ice-cold sparkling water, and salt, leaving the batter lumpy.

2

Coat the Vegetables

7 min

Dip the zucchini, eggplant, and sweet potato slices in the batter and let the excess drip off. Spray the tops with sunflower oil.

3

Cook in the Air Fryer

20 min

Arrange the slices in a single layer in the air fryer basket and cook at 200°C / 390°F for 20 minutes, until crisp on top. If you do not have an air fryer, bake them on a wire rack in an oven preheated to 200°C / 390°F for the same amount of time.

Reminder

Do not overmix the batter; leaving it lumpy helps the tempura turn crisp. Allergen: contains wheat (gluten).

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