Extra facts

Residual heat burns away any grease build-up — just like a selfcleaning oven

Can grill, bake a cake, cook pizza and stew, smoke and slow-cook

Comes in five different sizes. Largest model, 2XL, can roast a suckling pig, 16 racks of ribs or 30 burgers at once

Ceramic is based on materials initially developed for the Nasa space programme