Dusting is the cheapest ingredient decision in pizza and one of the few where the wrong choice ruins the pizza outright rather than just making it slightly worse.
It is also the one where the standard advice — "use more flour" — is actively wrong. More flour makes the base bitter, sends smoke off the deck, and does not fix the failure most people are actually having.
Here is what dusting does, what the options actually differ on, and where the limits of the whole approach are.
What dusting is actually doing
Put a wet dough directly onto a smooth surface and it will wet that surface and bond to it. Dusting interrupts the contact by putting a layer of dry particles between the two, so the dough rides on the particles instead of touching the peel.
Two properties of the particles decide how well this works.
Size. Larger, harder particles behave more like tiny bearings. They hold the dough off the surface and keep rolling. Very fine particles pack into a dense layer with much less mechanical separation.
Absorbency. Every dry particle takes on moisture from the dough it is sitting under. Fine particles have far more surface area for their mass and hydrate quickly. Once hydrated, they stop being particles and become paste. Paste is not a release layer. Paste is glue.
That single mechanism explains the whole subject: the choice is a tradeoff between how well something releases, how long it keeps releasing, and what it does when it hits a very hot surface.
It also explains why the same dusting works one night and fails the next. Nothing about the flour changed. The time it spent under a wet dough did. That is covered in launch failures and it is the most important thing on this page.
Semola: release, burn behaviour, and texture
Semola is milled durum wheat. The re-milled form usually sold for this purpose, semola rimacinata, is finer than coarse semolina but noticeably coarser and grittier than a typical soft-wheat pizza flour, and durum is a harder wheat than the soft wheats used for most bread and pizza flours.
Release. Better than fine flour: bigger, harder particles, less rapid absorption, so the layer survives longer under a wet base. If you have a dwell-time habit you are struggling to break, semola buys some tolerance.
Burn behaviour. All dusting darkens on a hot deck. What differs is how, and how it tastes when it does. Semola tends to toast to a colour rather than blacken immediately, and toasted durum has a nutty character many people want on the underside of a base. Fine flour on the same deck goes from pale to black over a much shorter window and tastes acrid. We are describing behaviour rather than giving scorch temperatures — this publication has not tested this, and we will not state published scorch figures for specific flours without a citation.
Texture. The real reason people love it or avoid it. Semola leaves a perceptible grit underneath. On some styles that slight sandy crunch is part of the identity; on others it reads as a fault. That is a preference, not a defect.
The practical downside. Excess semola on a deck accumulates, toasts, then burns, and by the fourth pizza it can be putting bitter smoke into the oven. Brushing the deck between bakes matters more with semola than with fine flour.
Plain flour: why it burns, and when it's still fine
Fine soft-wheat flour — your bread flour, your 00, whatever you mixed the dough with — is what most people reach for because it is already open on the bench.
Release. Adequate, briefly. It works if the base goes onto the peel and into the oven promptly. It hydrates quickly under a wet base, and once it does it is worse than nothing, because you now have a film of paste holding the dough down.
Burn behaviour. Fine particles have a lot of surface area and very little mass, so they reach deck temperature almost instantly and scorch fast, leaving black, bitter specks on the underside. On a moderate home-oven bake this matters much less, because there is less heat available to burn it.
When it is genuinely fine: moderate home-oven temperatures rather than a very hot dome or deck; a short dwell time you can vouch for; or a style where a gritty underside would be wrong.
The failure signature: a base that stuck despite being dusted, with a smeared, tacky film left on the peel. That is fine flour that turned to paste, and the fix is a coarser medium or less time.
Rice flour, cornmeal, and blends
Rice flour comes up regularly. The claim made for it is that it absorbs water more slowly than wheat flour and so holds its release properties longer, and that it browns differently. This publication has not tested it and will not repeat absorption or scorch figures we cannot cite. What is not in doubt is that rice flour has no gluten and is not part of your dough, so anything on the base is a foreign texture. Some find it neutral, some find it chalky.
Cornmeal and coarse semolina both work mechanically and both leave a much more assertive texture underneath. Where cornmeal belongs is a style question rather than a technique one.
A blend of semola and fine flour is common, and the logic is coherent: coarse particles do the mechanical separation while fine flour fills the gaps for a more even layer with less grit. There is no established convention for the ratio — it varies with operator, style, hydration, and bake temperature, and anyone quoting a universal proportion has invented it. Start somewhere, record it in your bake log, and adjust in one direction.
The wooden peel route, where dusting matters less
The conventional split is wood for launching and thin metal for turning and retrieving, and it exists for a reason.
Wood for launching. Rougher and more porous than sheet metal, so it holds the dusting layer in place rather than letting it slide away, and it absorbs a little moisture from the base instead of letting it pool at the interface. A wooden peel is more forgiving of a thin dusting and of a few extra seconds.
Metal for turning and retrieving. Thin metal slides under a partly baked pizza where a blunt wooden edge cannot, and it cleans easily.
Perforated metal peels are designed to let excess dusting fall through before it reaches the deck. We have not used peels comparatively and will not rank them; the published rationale for each design is in choosing a peel.
Launching from a bare wooden peel with no dusting works only with a short dwell and a drier dough. It is not a general method.
How much is too much
The right amount is a light, complete, even layer. Every part of the base sitting on particles, with no visible drift anywhere. Three checks:
Before you launch. Shake the peel. If the base moves as one piece, you have enough. If part of it lags, add more under that edge specifically rather than more everywhere.
After you launch. Look at the peel. Dry, loose dusting means it did its job. A tacky smear means it absorbed moisture and turned.
After the bake. Look at the underside. Even colour is right. Black specks or a bitter, scorched taste means too much, or the wrong medium for your bake temperature.
Excess is not neutral. It burns on the deck, smokes, and tastes of it. Dusting is one of the few places in pizza where the answer to a problem is often less, applied more evenly.
Why dusting cannot fix a dwell-time problem
This is the part that matters most and it is why this page is not just a comparison table.
Every dusting medium works by staying dry. Every one of them absorbs moisture from the dough it is under. All you are choosing is how long the layer survives before it turns to paste.
So if your pizza sits dressed on the peel for a long time, no dusting medium saves you. Semola buys more time than fine flour, and a wooden peel buys more time than metal, and neither buys you a minute while you look for the anchovies.
The test: if you can launch a bare, undressed base off the same peel without difficulty but a dressed one sticks, your problem is time and moisture, not medium. No purchase fixes that.
The fix: stage everything before the base touches the peel. Sauce ladled, cheese portioned, toppings in reach, oven at temperature. Dressing should be one continuous movement.
Get that right and the dusting choice drops back to what it should be: a decision about texture and about how the underside tastes, rather than an emergency measure.
One safety note, since dusting decisions get made at the oven mouth: burnt flour on a very hot deck produces smoke, and clearing it means working close to surfaces that will burn you instantly. Use a long-handled brush, keep your face out of the opening, use dry gloves rather than damp cloths, and never disable a safety interlock or flame supervision device to get better access. If a portable gas oven is involved, it is outdoor equipment — carbon monoxide risk means it must never be run indoors or in an enclosed space.
Mistakes to avoid
Adding more flour when the pizza sticks. It is the wrong lever. Look at dwell time first.
Dusting the bench heavily and calling it dusting the peel. They are separate layers with separate jobs, and bench flour ends up on top of the base where it does nothing useful.
Letting semola build up on the deck across a session. Brush between bakes.
Assuming grit on the underside is a fault. For some styles it is the intended texture.
Chasing a universal blend ratio. No established convention exists. Set your own and record it.
Buying a different peel before fixing the ten seconds you spend dressing. The cheapest fix is always the one that costs nothing.
In Plain English
Dusting works by putting dry particles between a wet dough and the peel. Coarse durum semola releases better and for longer and toasts rather than scorching, but leaves a gritty underside. Fine flour is convenient, hydrates into paste quickly, and burns fast on a very hot deck. Blends are common and there is no standard ratio.
This is for anyone whose pizza sticks to the peel no matter what they dust with, and for anyone whose bases come out with bitter black specks underneath.
Choose the medium for your bake temperature and your style's texture, and use a light, complete, even layer rather than a heavy one. Then check the peel after every launch: dry dusting left behind means it worked, a tacky smear means it did not.
Next step: run one launch with your usual dusting but with every topping staged in advance so the dressing takes seconds. If that alone fixes the sticking, the dusting was never the problem.
Where to go next
- Read the full guide: buying pizza ingredients on spec instead of packaging
- The real cause most of the time: launch failures and the peel technique that fixes most of them
- Equipment: peels and turning peels, what to buy before you buy an oven
- The whole sequence: how to stretch and launch a pizza without wrecking it
More specification-level ingredient material is on the ingredients reference, and the handling material is on the technique hub.