Topping in the centre remains cold while the rest is done

Ask yourself

• Was the topping in the centre added frozen, chilled, or straight from the fridge?
• Is the centre topping noticeably thicker or more densely piled than the rest?
• Is the base itself cooked through in the centre, or is that also underdone?

Likely causes

1. #1

   Cold or frozen topping placed centrally without allowing time to come up to temperature during the bake

   Strongly supported

   A short, hot bake is calibrated to cook toppings that start at room temperature; a topping starting cold needs measurably more time or heat to reach the same internal temperature.

2. #2

   Topping piled more thickly at the centre than the bake time accounts for

   Generally accepted

   The centre of a pizza is usually where topping naturally accumulates most heavily; a thicker mass takes longer to heat through than a thin scatter.

3. #3

   General centre-of-pizza underbaking, the same effect that causes a soggy centre on thin baking equipment

   Supported, with regional variation

   On a thin peel, screen, or pan, the centre is the last part of the pizza to receive full heat, affecting toppings there as much as the base itself.

Rescue it now

Return the pizza briefly to a hot oven, or finish the centre specifically under a broiler if the rest is already done

Prevent it next time

Bring cold toppings to room temperature before use, avoid piling any topping unusually thick at the centre, and use adequately preheated equipment with real thermal mass

Related

Go deeper

Guides that treat this as an outcome to improve, an environment to work with, or a flavour to understand, rather than only a problem to fix.

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