The pizza is dressed. It looks good. You go to launch it, and one edge stays exactly where it is while the rest of it keeps moving.
Launch failures feel like bad luck and they are not. There are three causes, they account for very nearly all of it, and two of the three are free to fix.
The three causes, ranked
- Dwell time — how long the dressed pizza sat on the peel before it moved.
- The dusting medium — what is between the dough and the peel, and how much of it.
- Launch motion — the angle and the decisiveness of the withdrawal.
They are in that order for a reason. Dwell time is the leading cause by a distance, and it is also the one nobody thinks about, because it is the only one that is not a thing you can see or buy.
Cause 1: dwell time on the peel
The moment a base lands on a peel, a clock starts. Moisture moves out of the dough into the dusting layer. Sauce wets the base from above. The dough relaxes and settles into whatever surface texture is underneath it. The longer this goes on, the more the pizza is glued down.
This is why the same person, with the same peel, the same dough, and the same dusting flour, launches perfectly on Tuesday and disastrously on Friday. On Friday they were talking to someone while they dressed it.
The test: count. Not precisely, just honestly. From the base landing on the peel to the launch, was it a few seconds or was it a minute? If you cannot answer, that is your answer.
The fix, right now: shake the peel. If the pizza has partly grabbed, lift the stuck edge with a thin spatula or the corner of a bench scraper and work dusting flour underneath it.
The fix, next time: stage everything before the base touches the peel. Sauce ladled and within reach, cheese portioned, toppings in front of you, oven at temperature, oven door or entry clear. The dressing should be a continuous movement, not a project.
The stronger fix: dress on the bench or a cool board and transfer the finished pizza to the peel immediately before launch. This eliminates dwell time entirely and replaces it with a harder transfer. Plenty of good operators do it each way. What you should not do is choose neither and drift.
Dwell time is a variable, in the same sense that hydration and dough temperature are variables. It belongs in your bake log.
Cause 2: the wrong dusting medium, or too little of it
Dusting puts a layer of dry particles between the wet dough and the peel so the dough rides on them instead of touching the surface. Coarser particles resist being absorbed. Fine flour absorbs moisture quickly and becomes paste, and paste is glue.
That mechanism explains the two failure modes:
- Too little. Not enough particles, so the dough contacts the peel directly and sticks.
- Too fine, plus time. Enough particles, but they have hydrated into a film. This is the failure that feels unfair, because you did dust it.
The test: after the launch, look at the peel. Dry, loose dusting left behind means the medium was doing its job. A smeared, tacky film means it absorbed moisture and turned. Look at the base of the pizza too — a burnt, bitter dusting layer means you used too much of something that scorches at your bake temperature.
More is not the fix. Excess dusting flour goes onto the deck, burns, and tastes of it, and on a hot deck it can smoke. The right amount is a light, complete, even layer, not a drift.
Which medium to use, how they differ on release and burn behaviour, and how much is enough are covered in what to dust your peel with.
Cause 3: launch motion and angle
Assume the pizza slides freely. It can still fold.
The launch is a withdrawal. You are pulling the peel out from beneath a pizza that stays where it is, with a small forward placement at the start so the front edge lands where you want it. What you are not doing is tipping the pizza off a ramp.
Two errors dominate:
Too tentative. Small hesitant nudges. Each nudge gives the front edge time to contact the hot deck and grip while the back is still on the peel, and the pizza concertinas. Tentative launches fail more often than aggressive ones.
Too steep. Lifting the peel handle high so gravity pulls the pizza down. The pizza arrives at an angle, the leading edge grabs, and the rest folds over it. The peel should stay close to horizontal, with only a slight downward tilt at the tip.
The motion: peel tip low and near the deck, positioned where the front edge should land. A short forward push to set the front edge down, then a smooth continuous pull straight back. One movement.
The test: if the finished pizza is consistently oval and stretched front-to-back, the pull was too slow or the deposit too far back. If it folds at the front edge, the angle was too steep or the motion hesitant.
The shake test before you commit
This is the go/no-go check and it should be non-negotiable.
Before launch, hold the peel handle and give it a short, sharp horizontal shake — a few centimetres, not a swing. Watch the pizza.
- Moves as one piece: launch.
- Moves partly, one edge lags: do not launch. Lift that edge and get dusting flour under it.
- Does not move at all: do not launch. Do not try to persuade it in the oven. Set the peel down, free the pizza, re-dust.
Do the same test once earlier, right after the bare base lands on the peel and before you dress it. Fixing a stuck bare base takes a moment. Fixing a stuck dressed one is a different job.
If it will not free at all and the toppings have started to wet the base through, the honest call is to sacrifice that one. Trying to save it at the mouth of a hot oven is how people get burnt.
Safety at the oven mouth
Everything about a launch happens near surfaces that will burn you instantly.
- Deck and dome surfaces at pizza temperatures cause immediate serious burns on contact. So do the door, the frame, and a metal peel that has been resting in the heat.
- Radiant heat alone will burn exposed skin at the mouth of a hot oven without any contact. Keep your face back and do not lean in to look.
- Dry gloves and dry cloths only. Moisture conducts heat straight through and produces a steam burn.
- Portable gas pizza ovens are outdoor equipment. They produce carbon monoxide and must never be used indoors, in a garage, or in any enclosed or partly enclosed space.
- Never disable, wedge, or bypass a safety interlock or flame supervision device to make a launch easier. If a safety feature is in the way, change the method.
- If a pizza falls, let it fall. Catching something near a hot deck is the reflex that causes the worst injuries in home pizza making.
Wooden versus metal peels for launching
The conventional split is a wooden peel for launching and a thin metal peel for turning and retrieving, and the reasoning is straightforward.
Wood for launching. Wood is rougher and more porous, so it holds dusting flour in place better, and dough is less inclined to grab it than a smooth metal sheet. The tradeoff is a blunter leading edge, which makes it harder to slide under a pizza already in the oven.
Metal for turning and retrieving. Thin metal slides under a partly baked pizza where wood cannot, and it cleans easily. For launching a raw dressed pizza, a smooth metal surface is less forgiving of both dwell time and thin dusting.
This publication has not tested peels against each other, so treat this as the published rationale for each design rather than a measured claim. See choosing a peel.
If your only peel is metal, you can launch from it. Be faster, be slightly more generous with the dusting, and treat the shake test as mandatory.
A dry-run drill
You can get most of the way to a reliable launch without heating anything or spending dough.
- Cut a disc of thin card roughly the diameter of your finished base.
- Dust the peel as you normally would and put the disc on it.
- Set up a target: a cold baking sheet, a chopping board, or the cool oven deck.
- Practise the launch. Tip low, short forward set, smooth pull straight back.
- Check where the disc landed. Was it where you aimed? Straight?
- Repeat until the motion is automatic. Twenty repetitions is enough to change it.
This trains peel height, withdrawal speed, the stopping point, and aim, which is most of the launch. It cannot train dwell time, which only appears with real dough and a wet dressing. If you have a ball that has over-proofed past usefulness, open it and practise with the real thing onto a cold surface.
Mistakes to avoid
Dressing slowly and blaming the flour. Dwell time first, always.
Adding more dusting flour as a general remedy. It burns, it smokes, and it tastes bitter on the base.
Skipping the shake test because it looked fine. It is two seconds and it is the only check that actually predicts the outcome.
Trying to unstick a pizza inside the oven. Withdraw, fix it on the bench, relaunch.
Overloading. A heavy wet dressing sticks harder and folds more readily. Load has a bigger effect on launch than most people expect.
Concluding you need a better peel. Sometimes true. Usually it is the ten seconds you spent looking for the oregano.
In Plain English
Launch failures have three causes: the pizza sat on the peel too long, the dusting layer was wrong or too thin, or the launch motion was hesitant or too steep. Dwell time is the biggest of the three and the one people never consider, because it is not a thing you can see.
This is for anyone whose pizza is good on the bench and ruined between the bench and the deck, and for anyone who has already bought a second peel and still folds one in three.
Use the shake test every single time, both before dressing and immediately before launch. It is a genuine go/no-go check, and it will tell you to stop while stopping is still cheap.
Next step: stage every topping within arm's reach before the base touches the peel, and time your next dressing honestly. Cutting dwell time is free, takes no skill, and fixes more launches than any equipment purchase.
Where to go next
- Back to the pillar: the full bench-to-oven sequence
- What to put between the dough and the peel: what to dust your peel with
- Equipment: peels and turning peels, what to buy before you buy an oven
- Upstream of the launch: how to stretch pizza dough without tearing it
- Everything else that goes wrong: diagnose your bake by symptom
See also the technique hub and the equipment reference.