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Hi there, I'm Jarvis! I see you're looking at the Josper Charcoal Oven 1/1 Gastronorm Tray 20mm. How can I help you with the technical specs or suitability for your business today?

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In Stock

Josper Charcoal Oven 1/1 Gastronorm Tray 20mm

SKU: AT312
£280.77 / exc vat
£336.92/ inc vat
  • High-Heat Cast Aluminium
  • Official 1/1 Gastronorm Sizing
  • Bittor Arginzoniz Co-Design
  • 20mm Low-Profile Height

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Features Overview Specifications Case Study Reviews Installation Buying Guide FAQ

Product Overview

Here we have a piece of kit designed for the true masters of the flame. The genuine Josper Charcoal Oven 1/1 Gastronorm Tray isn't your average baking sheet; it's a purpose-built tool forged from robust cast aluminium. Created in collaboration with grilling legend Bittor Arginzoniz, it’s engineered to withstand and  harness the ferocious heat of professional charcoal ovens, turning high temperatures into perfectly cooked food.

This tray is for the serious chef, the steakhouse, or the fine-dining kitchen where a Josper or Basque grill is the heart of the operation. If you're tired of standard trays warping, buckling, or failing to deliver that all-over, consistent sear, this is the solution you've been looking for. Its construction is all about durability and  performance, ensuring it won't let you down during the busiest service.

With its excellent heat retention and  a design that’s made to last, this tray is more than an accessory—it's an essential part of your grilling arsenal. Stop compromising and  start cooking with equipment that’s as serious about flavour as you are. This is the authentic way to get the very best from your charcoal grill.

Key Features and  Benefits

  • High-Heat Cast Aluminium: Stands up to the fierce temperatures of charcoal ovens.
  • Official 1/1 Gastronorm Sizing: Fits perfectly in standard Josper ovens and  racking systems.
  • Bittor Arginzoniz Co-Design: Expertly crafted for professional grilling and  roasting performance.
  • 20mm Low-Profile Height: Absolutely ideal for searing, roasting veg, or delicate items.
  • Excellent Heat Retention: Guarantees even cooking and  beautiful, consistent results every time.
  • Stackable Design: Saves you precious counter and  storage space in a busy kitchen.
  • Robust Yet Manageable: Tough enough for daily service without being impossibly heavy.
  • Versatile Compatibility: Perfect for use in both Josper charcoal ovens and  Basque grills.

Technical Specifications

  • Brand: Josper
  • SKU: AT312
  • Dimensions: 20(H) x 525(W) x 325(D)mm
  • Weight: 2.965kg
  • Material: Cast Aluminium
  • Colour: Black
  • Gastronorm Size: 1/1 GN
  • Feature: Stackable Design
  • Compatibility: Josper Charcoal Ovens & Basque Grills

Expert Review and  Insights

When you're working with the intense, direct heat of a Josper, standard trays just won't cut it. This purpose-built tray is a different beast entirely. It's designed not just to survive, but to thrive in that environment, transferring heat beautifully for that perfect sear and  flavour infusion. It feels solid, dependable, and  made for the job.

Oliver Bennett – Catering Equipment View Profile →

  • Pro: Its cast aluminium build offers incredible heat transfer for superior searing results.
  • Con: Being cast aluminium, it requires careful handling to avoid dropping or cracking.

Case Study: Real Business, Real Results

The Potted Lobster, a bustling seafood grill in Bamburgh, Northumberland, needed more durable trays for their signature charcoal-grilled fish, as standard steel ones kept warping under the extreme heat.

"We were getting through standard stainless steel trays at an alarming rate; they just warped under the heat of the Josper. These cast aluminium trays are built for the task. They hold their shape and  deliver a much better, more even cook on our sea bass."

Ben Carter – Head Chef

This simple switch reduced their tray replacement costs by over 80% and  noticeably improved cooking consistency across their entire grilled menu.

Installation and  Maintenance Guide

Setting It Up

  • For best results, season the tray before its first use, much like you would a cast iron pan, to build up a natural non-stick layer.
  • Always ensure the tray is at room temperature before placing it into a pre-heated oven to prevent thermal shock.
  • This is a standard 1/1 GN tray, so it's designed to slide smoothly into compatible oven racking.

Keeping It Going

  • Avoid using abrasive metal scourers; a stiff brush and  hot water are usually all that's needed to clean it.
  • Always dry the tray thoroughly after washing to prevent any surface oxidation and  maintain its condition.
  • Handle with care – cast aluminium is incredibly tough against heat but can crack or chip if dropped onto a hard floor.
  • Give it a quick visual check for any damage before each use to ensure safety and  performance.

Buying Guide: Choosing the Right Gastronorm Tray

Not sure which tray is right for your oven? Here are a few things to keep in mind to make the right choice.

Material Matters

For charcoal ovens, cast aluminium or iron is non-negotiable. Standard stainless steel will warp and  degrade under such intense, direct heat.

Consider the Depth

This 20mm deep tray is perfect for searing and  roasting. For braising or dishes with lots of sauce, look for deeper 40mm or 65mm versions.

Check for Compatibility

Always ensure the tray is specifically designed for your brand of oven, like this Josper compatible gastronorm tray, for a perfect and  safe fit.

Balance Weight and  Use

Cast aluminium offers fantastic heat properties but is heavier than steel. Ensure your team can handle it safely during a busy service.

Think Long-Term

A purpose-built tray costs more upfront but will outlast cheaper alternatives many times over, saving you money in the long run.

See all Josper Spare Parts

Frequently Asked Questions

Q: Is this an official Josper product?

A: Yes, this is a genuine Josper spare part, designed in collaboration with the renowned chef Bittor Arginzoniz.

Q: Can I use this on a standard gas or electric oven hob?

A: It's not recommended. It has been specifically engineered for the high, dry heat of professional charcoal ovens and  Basque grills.

Q: Does it need to be seasoned before use?

A: For optimal performance, seasoning is recommended before first use, similar to cast iron, to create a natural non-stick surface.

Q: What is the main advantage of cast aluminium over stainless steel in this context?

A: Cast aluminium provides far superior heat retention and  distribution, which prevents warping and  ensures a more even, powerful sear.

Q: How should I clean this tray?

A: It's best to hand wash with hot water and  a stiff brush. Avoid harsh detergents or dishwashers as they can damage the surface over time.

Q: Will it fit in my oven if it's not a Josper brand?

A: It is a standard 1/1 Gastronorm size (530x325mm), so it will fit any oven with 1/1 GN racking, but it's built to withstand the unique heat of a charcoal oven.

Q: Is the tray non-stick?

A: Not out of the box. However, with proper seasoning and  use, it will build up a natural, non-stick patina over time.

Q: Is the tray heavy?

A: It weighs just under 3kg. This gives it the heft needed for heat retention while still being manageable in a fast-paced kitchen.

What Customers Are Saying

"Absolutely solid piece of kit. A proper Josper 1/1 GN tray 20mm that doesn't buckle under the heat. Worth every penny for the performance."

Mark L. – Steakhouse, Manchester

"We bought this as a replacement tray for our Josper oven and  it's a perfect fit. The quality is immediately obvious compared to third-party ones."

Elena V. – Gastropub, Bristol

"Excellent heat distribution for searing scallops. Just be careful not to drop it as it's cast. Otherwise, it's fantastic for the job."

Samir K. – Hotel Restaurant, London

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The Josper Difference: Engineered for Flavour

This tray is far more than just a piece of cast aluminium; it’s an integral component of a world-class cooking system. Josper has built its reputation on delivering unparalleled smoky flavour and  cooking precision, and  using genuine parts like this replacement tray for Josper oven is key to maintaining that performance. It's an investment in consistency. Chefs who rely on their Josper can trust this tray to perform identically, service after service, protecting their menu's quality and  their restaurant's reputation. It eliminates the variables and  potential equipment failures that come with using improper accessories, allowing the kitchen to run smoothly and  focus on what matters: creating unforgettable dishes with that authentic, fire-kissed taste.

Why Cast Aluminium Makes All the Difference in a Charcoal Oven

Ever wondered why a specialist charcoal oven 1/1 GN tray is made from cast aluminium and not just shiny stainless steel? It's all about how it handles heat. Think of it like the difference between a thin, cheap frying pan and  a heavy, cast-iron skillet. The skillet (our cast aluminium tray) soaks up a massive amount of heat and  holds it steadily, delivering a powerful, even sear the moment food touches it. Standard steel trays are more like the thin pan – they can develop hot spots, cool down quickly when food is added, and  even warp, leading to uneven cooking. This tray's design ensures every inch of your steak, fish, or vegetable gets the same intense, flavour-locking treatment from edge to edge.

Who Should Buy This?

  • Fine Dining Restaurants: Essential for chefs using Josper grills to achieve precise, high-temperature cooking results consistently.
  • Boutique Hotels: A must-have for kitchens offering premium grilled dishes, ensuring quality and  equipment longevity.
  • Specialist Steakhouse & Grill Bars: The perfect upgrade to handle the daily demands of a busy, high-volume service.
  • Professional Cookery Schools: Ideal for teaching advanced charcoal cooking techniques with authentic, industry-standard equipment.
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