Gummy, undercooked pizza center — the fix
The center is where every mistake collects: it carries the most sauce, has the least structure, and is the last place the heat reaches. A gummy middle nearly always comes down to weight, heat or thickness — and all three are fixable.
Drowned in sauce and toppings
How to tell — The rim and outer ring are baked, but the middle is a wet, sliding puddle — the dough under it steamed instead of baking.
Fix it now — Get the slices back into a hot oven, or face a gummy slice down in a dry frying pan for a few minutes — it finishes the base honestly.
Next time — Toppings deserve the same restraint as the dough: hold back half the sauce, let the cheese leave gaps, and drain anything wet before it goes on.
The oven — or the surface — was too cool
How to tell — The whole bake dragged, the bottom is pale too, and the pizza took far longer than the recipe promised.
Fix it now — Crank the oven to its real maximum and let the baking surface saturate before the next pizza — most gummy middles are a cold slab in disguise.
Next time — Every style has its bake temperature and surface for a reason; give it the heat it was designed for. the oven & baking guide goes deeper.
A thick, doughy middle
How to tell — The center crumb is dense and raw-tasting while the rest is fine — the round was stretched thin at the edges and left fat in the middle.
Fix it now — Slice it and finish the thick part face-down in a dry pan; it rescues tonight's dinner.
Next time — Stretch from the center outward to an even thinness, leaving only the rim fat — and size the ball to the pizza you actually want. the pizza size guide goes deeper.
Wet dough, timid bake
How to tell — The crumb is shiny and gummy throughout, not just under the sauce — a high-hydration dough came out before its time.
Fix it now — Put it back in. Wet doughs read underdone when they're merely golden — bake to a deep color, not to the clock.
Next time — The wetter the dough, the more the water has to bake off before the crumb sets; know your style's hydration and let the bake run long enough. the hydration guide goes deeper.
Start from a good recipe
Most dough problems are planned away, not fixed at the bench. Set your real schedule in the calculator and it weighs the dough and writes the timing for you.
The clock is a suggestion. The dough is the boss. In bocca al lupo!
Impasto is a free pizza dough calculator for Neapolitan, New York, Roman, Sicilian, Detroit, thin crust and focaccia doughs — flour, water, salt and yeast weighed in baker's percentages, with the fermentation schedule written for you.