Why a kettle works
Pizza wants fierce heat from below and above at once. A lidded kettle with a hot stone gives you both: the stone holds fierce heat under the base, and the domed lid traps radiant heat over the top, cooking the whole thing fast. It is not a true wood oven, but it is a great deal closer than a domestic oven.
The setup
- Build a good bed of coals, banked or ringed, and set a cordierite stone on the grate to preheat with the lid on.
- Give the stone a full twenty to thirty minutes to get properly hot; a cold stone gives you a pale, soggy base.
- Aim for the hottest the kettle will hold, ideally over 300°C at the stone.
Cooking it
Work fast: a well-heated stone cooks a thin pizza in a few minutes. Launch the pizza onto the stone, close the lid, and check after a couple of minutes. Rotate it for an even bake, since one side always faces the hottest coals. You are looking for a puffed, charred, leopard-spotted crust.
Keep the base thin and the toppings light. A heavily-loaded pizza steams and never crisps in the short cook a hot stone gives. Less on top, cooked hotter and faster, is the way to a good pizza on any grill.
Or add an oven attachment
If you cook pizza often, a kettle pizza attachment or a dedicated stone oven raises the ceiling considerably, letting you reach the 400°C-plus that makes a Neapolitan crust. But before you spend, try it with just a stone and a lid; you may be surprised how good it is.
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