Summer is the perfect time to enjoy fresh, vibrant flavors right from your outdoor kitchen. The Ninja Crispi 4-in-1 Glass Air Fryer offers a versatile, space-saving solution to prepare tasty grilled veggie fajitas without firing up the traditional grill.
This step-by-step guide will show you how to use this innovative air fryer to make your favorite summer dish easily and efficiently, perfect for outdoor gatherings or quick weeknight dinners.
Our top pick at a glance

Ninja Crispi 4-in-1 Glass Air Fryer
- ✔ Dishwasher Safe: Yes
- ✔ Temperature Range: Up to 450°F
- ✔ Container Material: Borosilicate glass
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Preparing Your Ingredients
Start by gathering your colorful vegetables such as bell peppers, onions, zucchini, and cherry tomatoes. Slice them into even pieces to ensure uniform cooking. Marinate your sliced vegetables with a splash of olive oil, lime juice, and your favorite fajita seasoning for added flavor.
Using the Ninja Crispi 4-in-1 Glass Air Fryer, you can prepare everything in the provided glass containers, which are safe, toxin-free, and dishwasher safe for easy cleanup.
Cooking the Veggies in the Air Fryer
Place the marinated vegetables into the glass container with the snap-lock lid. Insert the container into the PowerPod of the Ninja Crispi Air Fryer. Select the ‘Max Crisp’ function and set the temperature to 450°F. Cook for about 10-12 minutes, shaking the container halfway through to ensure even crisping.
This method keeps your vegetables tender yet slightly charred, mimicking the flavor of outdoor grilling but with less effort.
Assembling and Serving the Fajitas
While the veggies are cooking, warm your tortillas either in the air fryer or on the grill. Once done, load the tortillas with the crispy vegetables, add your favorite toppings such as sour cream, guacamole, or salsa.
Use the glass containers to store any leftovers safely in the fridge. The BPA-free borosilicate glass ensures safe storage and easy reheating for later.
Tips for Perfect Summer Fajitas
- Marinate the vegetables ahead of time for maximum flavor.
- Use the ‘Recrisp’ function if your veggies lose their crunch after storage.
- Keep the containers sealed tightly to prevent spillage during transport to your outdoor dining area.
- Pair with chilled beverages and enjoy your outdoor feast!
More Details on Our Top Picks
Ninja Crispi 4-in-1 Glass Air Fryer

The Ninja Crispi 4-in-1 Glass Air Fryer is perfect for preparing fresh, crispy veggie fajitas outdoors. Its multifunctional design and toxin-free glass containers make summer cooking both safe and simple.
Pros:
- Versatile 4-in-1 functions for grilling, baking, crisping, and reheating
- Safe, toxin-free borosilicate glass containers
- Compact and space-saving for outdoor use
- Dishwasher safe for easy cleaning
Cons:
- Limited to small batch cooking
- Requires a separate PowerPod
- Container sizes may not suit large families
Best for: Outdoor cooks and summer meal prep enthusiasts
Not ideal for: Large families or those needing bigger batch capacity
Bottom line: A compact, multifunctional air fryer perfect for quick, crispy summer meals outdoors.
Affiliate disclosure: As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time of publishing.