Porcini / Porchino / Penny Bun Mushroom (Dried)
Vegetables · Mushrooms
Dried porcini mushrooms are low FODMAP at 12 g, about two and a half tablespoons, in the Monash app. The listed 19 g portion is moderate and 30 g is high, with mannitol driving the change. The app groups the names porcini, porchino and penny bun in this dried entry.
Serving sizes for porcini / porchino / penny bun mushroom (dried)
For dried porcini / porchino / penny bun: 12 g green, 19 g amber and 30 g red. The reference is the dry ingredient before rehydration.
Tested serving sizes
| Serving | Amount | Main FODMAP | Rating |
|---|---|---|---|
| 1/2 cup | 30 g | Mannitol 0.5 g | |
| 2 1/2 tablespoons | 12 g | Mannitol 0.13 g | |
| 4 tablespoons | 19 g | Mannitol 0.2 g |
Breakdown for 0.5 cups
Is porcini / porchino / penny bun mushroom (dried) low FODMAP?
At 12 g every displayed FODMAP group is green. Mannitol turns amber at 19 g, described as four tablespoons, and red at 30 g, approximately half a cup. Fructose, lactose, sorbitol, GOS and fructans remain green at those references. These points apply to dried porcini, not to an equivalent weight of fresh mushrooms.
Porcini / Porchino / Penny Bun Mushroom (Dried) and IBS: what to know
A recipe can distribute dried porcini across several portions, so calculate your share of the dry ingredient rather than judging the whole packet. Keep track of other mushrooms added to the same dish. Dried black chanterelle is assessed separately and is limited by sorbitol in its checked entry.
Gut-friendly ways to eat porcini / porchino / penny bun mushroom (dried)
Weigh the dry porcini before following the packet's soaking and cooking instructions. Record that dry amount when preparing risotto, gravy or a mushroom sauce. Rehydration adds water, and this panel does not specify either a finished soaked weight or a separate FODMAP limit for the soaking liquor. Do not assume discarding that liquid establishes a larger green serving.
Frequently asked questions
Are porcini and penny bun covered by the same entry?
Yes. The verified app entry lists porcini, porchino and penny bun together, specifically in dried form.
Can I apply 12 g to rehydrated porcini?
The 12 g reference is dried weight. The amount absorbed during soaking is not specified, so this guide does not provide an equivalent soaked portion.
Does a porcini-flavoured stock cube use this rating?
Not directly. A stock cube is a formulated product with additional ingredients and an often unspecified mushroom quantity. Review the product itself rather than assigning it the dried mushroom's rating.
Check a whole plate in seconds.
Not sure about a whole meal? Scan it with the Gut Friendly app.
Get the appRelated foods
Sources and editorial notes
- Monash University FODMAP Diet App
Monash University FODMAP Diet app entry “Mushroom, porcini / porchino / penny bun, dried” checked directly on 27 September 2026. The portion weights, traffic-light ratings and FODMAP groups discussed here were verified in matching detail panels. Numerical FODMAP concentration estimates elsewhere in the catalogue were not validated by this check.