Summer is the perfect time to enjoy light, crispy, and fresh meals. The Ninja DoubleStack XL Smart Air Fryer makes it easier than ever to whip up delicious tempura vegetables quickly and healthily, perfect for outdoor gatherings or quick weeknight dinners.
With its spacious, space-saving design and versatile functions, you can prepare a variety of veggies and get that perfect crispy coating in minutes. Let’s dive into a simple step-by-step recipe to make vegetable tempura that’s crispy on the outside and tender inside.
Our top pick at a glance

Ninja DoubleStack XL Smart Air Fryer
- ✔ Color: Stainless Steel/Black
- ✔ Weight: Approx. 22 lbs
- ✔ Power: 1800W

Ninja DoubleStack XL Smart Air Fryer, 2-Basket, 10 QT, 6-in-1, DoubleStack Technology Cooks 4 Foods at Once, Space Saving Design, Air Fry, Broil, Bake SL451
- Space Saving Design: Fits under standard cabinets, 40% slimmer
- Smart Cook System: Precise doneness with Foodi Smart Thermometer
- DoubleStack Technology: Cook 4 foods simultaneously with 2 baskets
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Ingredients You’ll Need
- Assorted vegetables (bell peppers, zucchini, sweet potatoes, green beans)
- 1 cup all-purpose flour
- 1 cup cold sparkling water
- 1/2 teaspoon salt
- Vegetable oil spray
- Optional: dipping sauces like soy or sweet chili
Step-by-Step Cooking Instructions
- Prepare the vegetables by cutting them into bite-sized pieces.
- Mix the flour, salt, and sparkling water in a bowl until just combined to create the tempura batter.
- Preheat the Ninja DoubleStack XL Air Fryer using the Air Fry setting at 400°F.
- Spray the baskets with vegetable oil spray for extra crispiness.
- Dip the vegetables into the batter, then place them in the baskets, ensuring they’re not overcrowded.
- Set each basket to cook independently for 10-12 minutes, flipping halfway through if needed, until golden and crispy.
- Remove and serve immediately with your favorite dipping sauces.
Tips for Perfect Tempura
- Use very cold sparkling water for a lighter, crispier batter.
- Avoid overcrowding the baskets to ensure even crispiness.
- Use the Smart Thermometer for precise doneness if your vegetables are thicker.
- Spraying the basket with oil helps achieve a golden, crunchy coating.
- Experiment with different vegetables for variety—summer is perfect for zucchini, peppers, and green beans.
More Details on Our Top Picks
Ninja DoubleStack XL Smart Air Fryer

This recipe leverages the Ninja DoubleStack XL Air Fryer’s dual baskets and smart features to create perfectly crispy, healthy tempura vegetables quickly. Ideal for summer snacking or entertaining.
Pros:
- Cooks multiple items simultaneously
- Space-saving design fits small kitchens
- Versatile 6-in-1 functions
Cons:
- Setup can be complex with multiple components
- May be bulky for very tiny kitchens
- Higher price compared to basic models
Best for: Home cooks wanting quick, healthy summer snacks
Not ideal for: Those with very limited kitchen space or on a tight budget
Bottom line: Perfect for quick, crispy, summer vegetable tempura with minimal fuss.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.