Go Ahead and Use the Rolling Pin. About a Quarter of Your Dough’s Gas Hasn’t Happened Yet.

Search for advice on shaping pizza dough and you will hit the same sentence about nine times in a row: never use a rolling pin. It squeezes out the gas. It kills the air pockets. It undoes everything fermentation just did for you.

I own a rolling pin. I have used it on pizza dough, felt appropriately guilty, and then eaten a perfectly good pizza. So I got curious and went looking at what the published research actually says about where the gas in a baked crust comes from.

The answer reframes the whole argument. Not because the rolling pin is harmless, but because the reason everyone gives for avoiding it turns out to be the weakest part of the case.

What everyone tells you

I read through the pages currently ranking for this question, and the consensus is remarkably tight. Mashed says a rolling pin compresses the dough and eliminates gas pockets, producing a thick, tough crust. Chowhound puts it more vividly: rolling “will burst the air bubbles and literally deflate all the hard work you put into kneading.”

Food Republic warns of a texture “that resembles a cracker.” The Takeout quotes a New York chef explaining that a pin forces out air and compresses the gluten network into something harder and stiffer. Nearly every page closes by invoking Italian tradition — pizzaioli have stretched by hand for centuries, so who are you to argue.

To be fair to them, this is not a strawman built out of bad blogs. These are real chefs describing a real effect, and a couple of the better pages already allow that rolling suits thinner crust styles or nervous beginners. The observation underneath all of it is correct: rolled dough does come out flatter and denser than hand-stretched dough.

What none of them do is ask the obvious follow-up. If the gas is gone, is it gone permanently? Every single page treats shaping as the last moment gas can enter the dough. That assumption is doing an enormous amount of work, and nobody checks it.

What I found when I dug in

A quarter of the gas is made in the oven

The most striking number came from a 2025 paper in Food Chemistry by Vandenbosch and colleagues at KU Leuven, who tracked industrial yeast strains through an actual bake. Their finding: about 25% of the yeast’s total CO2 production happens during baking. Not during bulk ferment, not overnight in the fridge — in the oven.

They also found yeast survives far deeper into the bake than most home cooks assume, remaining viable until at least 138°F (59°C) of dough temperature, with the hardiest strain holding 42.2% viability at 171°F (77°C) against 11.8% for reference baker’s yeast. Oven rise across their samples ran from 18.6% to 31.5%, and it tracked yeast survival closely.

So your dough is still manufacturing gas while it sits on the stone. The trade reference BAKERpedia puts the shutdown window at 132°F (55.5°C) for the start of yeast die-off and 140°F (60°C) for an absolute kill — and notes that yeast activity peaks during proofing and on into oven spring.

Most of the lift is steam, not fermentation gas

Then there is the bigger structural point. The UK food research organization Campden BRI has a clear explanation of what actually inflates a loaf, and the ranking is not what the pizza internet implies.

Carbon dioxide from fermentation first dissolves into the water phase of the dough and only enters bubbles once that liquid is saturated. As the dough heats, those dissolved gases are forced back out of solution. Ethanol vaporizes at 173°F (78.4°C), water boils at 212°F (100°C), and — this is the line that reframes everything — steam contributes more than half of the oven spring volume.

Read that against the consensus. The argument for hand-stretching rests on preserving visible gas cells. But a large share of the gas that inflates your crust was never in a visible cell to begin with. It was dissolved in the dough’s water, or it was the water.

Gluten relaxes, and the pros count on it

The other half of the rolling-pin complaint is about gluten: the pin compresses the network and leaves it tight. This part is true and it is also routine, temporary and well understood. The Oklahoma Wheat Commission describes the mechanism plainly — work dough immediately and it resists and snaps back — and puts a standard bench rest at 10 to 15 minutes.

Commercial pizza kitchens build their whole workflow around this. The trade magazine PMQ’s rundown of forming equipment notes that dough sheeters produce a flatter crust with a heavy internal cell structure and need relaxing additives or resting time to prevent snap-back. The fix for machine-flattened dough, in the professional world, is a timer.

The rule is a style specification, not a law of physics

Here is the part that surprised me most. The “never roll” rule traces back to the Associazione Verace Pizza Napoletana rulebook, and that document is blunter than anyone quoting it lets on. It states that other types of processing are not permitted, “in particular the use of a rolling pin and/or a disc machine such as a mechanical press.”

Two things follow. First, the same clause outlaws the dough presses in use behind the counter at a large share of American pizzerias — so anyone citing it as universal pizza law is citing a rule their local shop breaks nightly. Second, it sits inside a specification that also fixes the rim at 1–2 cm, roughly three-eighths to three-quarters of an inch, and the center at 0.25 cm, about a tenth of an inch.

That is not general advice about dough. That is a recipe for one pizza, the way a barbecue competition sets rules for one brisket. It tells you nothing about Chicago tavern-style, which is rolled thin on purpose, or the cracker-crisp St. Louis approach, or a Friday sheet pan pizza for four kids.

The gas timeline of a pizza dough

Figures drawn from Vandenbosch et al., Food Chemistry (2025), Campden BRI, BAKERpedia and the Oklahoma Wheat Commission. Full links in Sources.

Why the usual advice falls short

The gap is not that the ranking pages are lying. It is that they diagnose a real symptom with a mechanism that does not survive contact with the research.

“You crushed the bubbles and now they are gone” assumes shaping is the last gas event in your dough’s life. It is not even close. A quarter of the fermentation gas is still ahead of you, the dissolved CO2 has not come out of solution yet, and the single largest contributor — steam — is sitting in the dough as plain water regardless of how you flattened it.

The second failure is scope. A rule written to protect one 0.25 cm disc with a 1–2 cm rim got promoted to universal pizza doctrine, and along the way everyone quietly dropped the half of the clause that would have made American pizzerias look non-compliant. Rules for a protected style are useful. They are not physics.

The third failure is practical. Telling a beginner with a tub of store-bought dough that the pin is forbidden leaves them wrestling a disc that will not cooperate, tearing a hole in the middle, and producing something worse than a rolled-and-rested crust would have been. The purist advice has a failure mode, and beginners land in it constantly.

What actually holds up

The consensus is right about one thing, and it is the thing that matters most to how a pizza looks: the rim.

PMQ’s equipment notes make the point from the commercial side — sheeted crusts “tend to be somewhat flat,” lacking a high, raised edge. That is the real cost of rolling, and unlike gluten tension, a rest does not undo it. Once you have rolled the edge thin, the cornicione is not coming back, because you removed the dough that was supposed to become it. If you want a blistered, airy rim like the one that separates Neapolitan from New York, hand-shaping is genuinely the better tool, and the traditionalists earned that one.

And the honest limit on my side: the 25% figure comes from bread dough in a controlled lab with instrumented bakes, not from a pizza stone in somebody’s kitchen. I am reasoning from published baking science across to pizza, which is a fair move but not a proof. I did not run a side-by-side trial, and anyone who tells you they settled this with two pies on a Tuesday is overselling.

My take

I want to be clear this is my read of the evidence rather than a settled finding. Plenty of cooks I respect will keep hand-stretching everything, and for the pizzas they make, they are right to. I just think the reason they give their readers is the wrong one, and it scares people away from a tool that would make their Saturday easier.

What to do instead tonight

Questions the other pages skip

Does rolled dough really rise less in the oven?

Less than hand-stretched, yes — but not nearly as much less as the “deflated” language implies. You lose the rim’s gas and you flatten existing cells. You do not lose the dissolved CO2, the steam, or the roughly 25% of fermentation gas still to come.

How long should I rest dough after rolling it?

Ten to fifteen minutes is the standard bench rest for relaxing worked gluten. If your dough still snaps back when you press it, give it another ten. There is no penalty for waiting, and the broader rise timing question has more room in it than most recipes suggest.

Do real pizzerias use rolling pins?

Many use something stronger — hydraulic dough presses and sheeters. PMQ’s equipment guide treats them as standard kit for particular styles. The Neapolitan rulebook bans those too, which tells you how style-specific the rule is.

Is a rolling pin okay for Detroit or pan pizza?

It is fine for the initial flattening, though those styles mostly want you pressing dough into an oiled pan and letting it proof in place. The pan proof rebuilds gas after shaping, which is the same principle as the bench rest doing the work.

What about a wine bottle if I don’t own a pin?

It works. It is heavier and less even, so use lighter pressure and rotate the dough a quarter turn between passes. My smoke detector has judged worse improvisations in that kitchen.