Ninja Speedi 10-in-1 Rapid Cooker and Air Fryer Review (ON400UK)

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Welcome to my comprehensive Ninja Speedi air fryer review of the Ninja Speedi ON400UK, a versatile kitchen appliance that promises to revolutionize your cooking experience. Known for its 10-in-1 functionality, this cooker aims to simplify your meal preparation while delivering delicious results. Let’s dive into what makes the Ninja Speedi a must-have in your kitchen.

Product Overview

The Ninja Speedi ON400UK is not just another kitchen gadget; it’s a multi-functional powerhouse. With a 1760W wattage and a generous 5.7L capacity, it’s designed to cater to families and meal preppers alike. The sleek design is not only aesthetically pleasing but also ergonomically efficient, fitting comfortably on your countertop.

Key Features and Specifications

  • Category: Multi-Cooker
  • Wattage: 1760W
  • Capacity: 5.7L
  • Timer: Yes
  • Programs: Speedi Meals, Steam Air Fry, Steam Bake, Steam, Grill, Air Fry, Bake/Roast, Dehydrate, Sear/Saute, Slow Cook

Unboxing and First Impressions

Unboxing the Ninja Speedi was an experience in itself. The cooker has a robust feel to it, with a modern grey finish that complements any kitchen decor. The initial setup was straightforward, and I was ready to cook in no time.

Features and Performance

Each of the 10 functions is a game-changer. The Speedi Meals feature, for instance, allows for quick and efficient cooking, perfect for busy weeknights. The Steam Air Fry function delivers crispy textures with minimal oil, and the Bake/Roast option works wonders for cakes and roasts alike. I found each function to perform exceptionally well, living up to Ninja’s promises.

Personal Experience and Use Cases

My personal experience with the Ninja Speedi has been nothing short of amazing. I’ve prepared everything from crispy air-fried chicken to succulent slow-cooked stews. The ability to steam and air fry simultaneously has cut down my cooking time significantly, without compromising on flavor or texture.

Pros and Cons


  • Versatile with 10 cooking functions.
  • Large capacity suitable for families.
  • Efficient and time-saving.


  • Takes up a fair amount of counter space.
  • Initial learning curve for utilizing all functions.

Cleaning and Maintenance

Cleaning the Ninja Speedi is surprisingly easy. Most components are dishwasher safe, and the non-stick surfaces make manual cleaning a breeze.

 Value for Money

Considering its multifunctionality and performance, the Ninja Speedi ON400UK offers excellent value for money. It’s an investment for those who value convenience, variety, and efficiency in their cooking.

Final Thoughts and Recommendations

The Ninja Speedi ON400UK is a remarkable appliance that I highly recommend. Whether you’re a busy parent, a meal prep enthusiast, or simply someone who loves to cook, this cooker is a valuable addition to your kitchen.


In conclusion, the Ninja Speedi ON400UK stands out as a versatile, efficient, and user-friendly appliance. It’s a testament to Ninja’s innovation in the kitchen appliance sector. I’d love to hear your thoughts or experiences with the Ninja Speedi, so feel free to leave a comment below!

Additional Information

  • [Link to purchase Ninja Speedi ON400UK]
  • Disclaimer: This product was reviewed based on personal use and experience.

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