13.2 in Square Pizza Stone for Ooni Karu 12 - Cordierite Baking

Our review of the 13.2 in square pizza stone finds it is aimed at home cooks and outdoor pizza enthusiasts who want a reliable baking surface that fits a range of small pizza ovens. The bottom line: this cordierite stone delivers even heat retention and a true oven-style crust for pizzas, breads, and cookies, and it stands out because it is sized to fit Ooni Karu 12, Ooni Koda 12, Ooni Fyra 12 and similar ovens while also working directly on grills or in conventional ovens.

Key Features

• Precise fit: The 13.2 in square dimension is designed to sit neatly in Ooni Karu 12, Ooni 3, Ooni Koda 12 and similar 12 in ovens so users get full coverage for a 12 in pizza.
• Cordierite material: Constructed from premium cordierite, the plate provides strong heat retention and thermal shock resistance for consistent crust browning.
• High heat tolerance: Rated for heat resistance up to 1400F, it copes with the high surface temperatures used in wood, gas, or charcoal pizza ovens.
• Versatile use: Beyond pizza, the stone is suitable for baking breads, cookies and other doughy foods on a grill or inside a conventional oven.
• Straightforward maintenance: After cooling, food residue can be scraped away and the stone rinsed with warm water for basic cleaning.
• Giftable design: Its simple, practical form makes it an easy gift for home cooks who like outdoor or artisan-style pizza.

Who It's For

This pizza stone is best for owners of 12 in class portable pizza ovens and grills who want a ready-made stone that fits without custom trimming, especially those using Ooni Karu 12, Ooni Koda 12, Ooni Fyra 12 or similar models. Bakers who like to make crisp, evenly browned crusts and who want a stone that tolerates very high heat will appreciate the cordierite construction and 1400F rating.

It is less well suited to travelers who need an ultra-light option or to buyers demanding a perfectly smooth, non-porous surface; cordierite stones will require careful cleaning and can crack if dropped or stressed, so anyone seeking a lifetime maintenance-free surface should consider other materials.

Pros & Cons

Pros

• Fits a wide range of 12 in pizza ovens and grills for easy, secure placement.
• Cordierite construction provides strong heat retention and high temperature tolerance.
• Versatile for pizza, bread, cookies and other doughy bakes on grill or in oven.
• Simple cleaning routine of scraping and warm water rinse makes upkeep manageable.

Cons

• Some users report durability concerns if the stone is dropped or exposed to uneven stress, so handling and storage require care.
• Cleaning can be inconsistent for stubborn residue, with mixed experiences among owners.

Specifications

Product type	Pizza stone / cordierite baking plate
Dimensions	13.2 in x 13.2 in x 0.4 in
Material	Cordierite
Heat resistance	Up to 1400F
Compatible ovens	Ooni Karu 12, Ooni 3, Ooni Koda 12, Ooni Fyra 12, Volt 12, Uuni 2S, Uuni 2
Usable on	Pizza ovens, grills, conventional ovens

Our Verdict

The 13.2 in cordierite pizza stone is a practical, value-conscious choice for owners of 12 in class pizza ovens who want consistent heat and a true crust result. It is especially useful for home bakers who will use it for pizza, bread and baked goods on grills or in ovens, provided they handle it carefully to avoid the durability issues some owners reported.

Frequently Asked Questions

Will this stone fit my 12 in pizza oven?
It is sized at 13.2 in square to fit Ooni Karu 12, Ooni Koda 12, Ooni Fyra 12 and many similar 12 in ovens, so it should fit most 12 in class models.

Can I use it on a grill?
Yes. The cordierite plate is suitable for direct use on grills and in conventional ovens as well as in compatible pizza ovens.

How do I clean the stone?
After baking, let the stone cool, scrape off debris with a spatula and rinse with warm water; avoid harsh soaps and rapid temperature shocks.