Vacuum-packed Iberico ham, carved to order or the whole piece
Contents
Vacuum-packed Iberico ham is always set against ham carved to order, as if those were the only two options. There are in fact three formats, and the figure that really separates them is one people rarely check, the price per kilo. The format that looks most affordable is by far the most expensive.
The essentials
What matters is when the slice was cut, and what has been around it since.
- There are three formats, the whole piece you carve yourself, the pack already sliced and sealed, and ham carved to order at a counter.
- A sealed pack is either under vacuum or under a protective atmosphere. Only the second has to be stated on the label.
- The measured gap is between a sealed pack and slices left in the air, not between the two ways of sealing.
- The date on a sealed pack comes from the maker's own tests. Once the pack is open, it no longer applies.
- Per kilo, an 80 g pack costs three to four times as much as the whole piece of the same ham. That is the real criterion.
Three formats, and what each one asks of you
The whole piece is the cheapest format per kilo, by a wide margin. You buy it on the bone, set it on a stand and carve it over the weeks. In return it asks for a knife, a little space and the wish to get started.
The ready-sliced pack is the most convenient. Someone has cut, weighed and sealed it for you, and it is also the dearest per kilo. Ours hold 80 g of hand-carved jamón and are vacuum-packed. That is the format we mean by a pack on this page.
Ham carved to order is cut at a counter, in front of you. There is no packaging and nothing to store. You take it home, and it keeps for two to three days in the fridge.
A sealed pack can be closed in two ways, and it helps to know which in a shop. Under vacuum, the air is drawn out and the film clings to the slices. Under a protective atmosphere, the air is replaced with neutral gases and the tray stays puffed up. Regulation requires the second case to be written on the label, and a vacuum-sealed pack has no such obligation.
| The format | Price per kilo | What it asks of you |
|---|---|---|
| Whole piece, on the bone, to carve | The lowest | A knife, a stand, and getting started |
| 80 g pack, sliced and sealed | Three to four times the whole piece | Nothing at all |
| Carved to order, at a counter | Depends on the shop | Eating it within two or three days |
The whole piece and the pack compared here are the same acorn-fed ham, from our catalogue.
What vacuum packing actually changes
The question everyone asks about pre-packed ham is whether it is vacuum-packed or not, and it is the wrong one. What has been measured is the gap between slices left in the air and slices sealed in, whichever way they were sealed.
On dry-cured ham slices followed for twelve weeks, those left in the air oxidised twice as fast as the others. Between vacuum and protective atmosphere, on the other hand, the gap is small and it does not always run the same way. One holds the colour slightly better, the other the flavour, and neither wins.
The mechanism is simple. Oxygen is what turns the fat and fades the colour. Drawing the air out or replacing it with neutral gases comes to the same thing, since either way the slices are kept from oxygen.
Dry-cured ham also holds up far better than people say. On those same slices, the ones kept under a film that lets air through still had their colour after four weeks. A slice does not spoil in five minutes because it has seen the air.
The twelve months on the pack, and what they are worth
You read everywhere that a vacuum pack keeps for twelve months, and the figure comes from nowhere. No text sets it. In Europe the shelf life of a food is set by whoever makes it, from their own ageing tests, for their product and their packaging. Twelve months is a maker's date, not a rule.
Above all, once the pack is open that date stops meaning anything. That is the position of the French consumer authority, the DGCCRF, which suggests reading what the label says for after opening instead. When the label gives such a time, the maker worked it out on that same product, and we would trust it over any general rule, starting with our own.
What gets said, and what has actually been measured
This subject is full of claims nobody has ever checked. We went through them one by one, and few survived.
The most surprising result concerns the line everyone repeats, ourselves included until now. Nobody has ever compared, on the same ham, slices cut to order and slices cut then packed. Freshly carved ham may well taste better. It is simply that no one has shown it.
| What you read | What is actually known | Verdict |
|---|---|---|
| “Carved to order has more aroma” | Nobody has ever compared the two on the same ham. | Not shown |
| “Vacuum packing gives a sour taste” | The explanation offered is wrong, and the measurement runs the other way. | False |
| “The machine heats the slice” | No blade temperature has ever been measured. | Not shown |
| “Hand carving beats the machine” | Nothing establishes it. The Spanish official programme teaches both at the same rank. | Not shown |
| “A pack keeps for twelve months” | That is the maker's date, set from their own testing. | No source |
Anything we could not check has come off this page, and that was most of what gets repeated.
The one gap that is not up for debate
Per kilo, the same acorn-fed ham costs €81 to €93 as a whole piece and €311 in an 80 g pack. That is three to four times as much. It is by far the largest difference between the formats, and the one least talked about.
Part of it is the bone, since a whole piece is sold with it and nobody eats it. The carving, the trim it leaves and the packing make up the rest. Our article on Iberico ham price goes through every format we sell, kilo by kilo.
None of this argues against the pack. We sell them, and it is the format that suits most people. It helps, though, to know what you are paying for. A whole piece commits you for several months and several hundred euros, while a pack is one dinner.
The simplest format
Hand-carved bellota ham, 80 g for €24.90
Acorn-fed 100% Iberico ham, carved by hand and cured for 44 to 48 months.
5,0 · 8 reviews
24,90€
The cebo de campo ham, the shoulders and the charcuterie come in 80 g packs too, all under sliced Iberico ham.
Shipping within 48 h. Secure payment.
How to choose, honestly
If you have people over once or twice a year, take the pack. You are paying for convenience, and for two dinners it is worth the price.
If you eat ham every week, the whole piece is the one. It pays for itself within months and keeps very well if you look after the face you cut. Everything you need for that is in how to store Iberico ham.
If you want a slice at its best tonight, have it carved to order.
Whatever you buy, let the slices sit at room temperature for half an hour before serving. It changes the taste more than the choice of packaging ever will. Carving itself has an article of its own, on the maestro cortador.
Where this information comes from
Every rule quoted on this page comes from an official text, European, French or Spanish, and every effect described was measured in a published study. The full list is at the foot of the page. Where something has not been checked, we say so and leave the figure out. We also sell Iberico ham in two of these formats, the whole piece and the 80 g pack, and that is worth keeping in mind as you weigh what came before.
Conclusion
Conclusion
The packaging is the wrong question
Vacuum or protective atmosphere, the gap is small and it has never settled anything. What really separates the three formats is the price per kilo and the time you want to give it. The rest is commercial storytelling, including when we are the ones telling it.
Before buying, read the label on the pack. It has to mention a protective atmosphere if there is one, and it often says what to do once the pack is open. Then work the price out per kilo, the only figure that compares the three formats fairly. At the table, slices that have had time to warm up a little do more for the taste than any packing.
Taste it yourself
Products mentioned in this article
Shipped within 48 h from Salamanca · Free shipping from €89.90
5,0 · 8 reviews
Cured 44 to 48 months, hand carved, 80 g vacuum pack.
24,90€
Whole 7 to 8 kg ham, cured 44 to 48 months.
649,90€
5,0 · 1 reviews
Whole 4 to 5 kg shoulder, cured 32 to 36 months.
269,90€
Frequently asked questions
Is vacuum-packed ham worse?
Nothing shows that it is. No one has ever compared, on the same ham, slices carved to order with slices cut and then packed. What has been measured is that slices left in the air oxidise twice as fast as sealed ones.
What is the difference between vacuum and protective atmosphere?
Under vacuum the air is drawn out, and under a protective atmosphere it is replaced with neutral gases. A vacuum pack clings to the slices, while a protective-atmosphere tray stays puffed up. For keeping, the two come out about even. Only the protective atmosphere has to be written on the label.
How long does vacuum-packed jamón last once opened?
Go by the label when it gives a time after opening, because that time was worked out on that very product. The date printed for the sealed pack stops applying once you open it. With no instruction at all, count on two to three days in the fridge, with the slices flat. Sealed, a pack does not always need the fridge, and the label sets the conditions. Ours are fine in a cool, dry cupboard while closed and travel to you without cold, though a pack you mean to keep for several months is better off in the fridge.
Is hand-carved jamón better than machine-sliced?
On what reaches the table, nothing establishes it, because no comparison has been made. The Spanish official carving programme teaches both techniques in the same module, at the same level, and puts neither first. We still carve the ham in our 80 g packs with a knife. It is a preference, and we would not dress it up as a finding. At home the choice is mostly made for you, since a slicer only takes a boned piece.
Sources
- Regulation (EU) 1169/2011, art. 9, 10 and 25. Mandatory particulars, the “packaged in a protective atmosphere” statement, and storage conditions once the package is open.
- Regulation (EC) 1333/2008, Annex I. Packaging gases form a class of additives in their own right.
- DGCCRF, practical note on use-by dates. Once the package is opened, the printed date loses its usefulness.
- Regulation (EC) 2073/2005, art. 3 and Annex II. Shelf life is established by the manufacturer, from their own testing and for their own packaging.
- Spanish Royal Decree 84/2026 of 11 February 2026. The carving module teaches knife and machine as two blocks of equal standing.
- Jin & Moon, Food Science of Animal Resources, 2024. Dry-cured ham slices followed for 84 days at 10 °C, under an air-permeable film, under vacuum and under a protective atmosphere.
- Ramírez et al., Foods, 2021. Sliced Iberico ham followed for twelve months at 4 °C, under vacuum and under a protective atmosphere.
- Austrich-Comas et al., Foods, 2023. The part played by available water, packaging type and temperature in sliced dry-cured ham.
- Corona, García-Pérez, Mulet & Benedito, Meat Science, 2013. Hardening of slices kept cold.
- Fuentes, Ventanas, Morcuende & Ventanas, Meat Science, 2013. Perception of ham according to serving temperature.
- Bremer & Matthiesen, Journal of Food Engineering, 2020. A review of industrial slicing, which reports no measurement of blade heating.
Read next
- Iberico ham price, every format back to the kilo
- How to store Iberico ham at home once it is open
- What a maestro cortador actually does
- How to choose Iberico ham, from the seal to the format
Written by
Valentin & Pablo
Founders of LOLO Jamón
We import and distribute Iberico ham and charcuterie. We visit the farm every season and select the pieces ourselves.
Whole pieces
Bellota and cebo de campo hams and shoulders, on the bone, cured for 28 to 48 months. Per kilo, the cheapest way to buy them.
Shipping within 48 h. Secure payment.
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