Overview
About Sole
Sole is a delicate flatfish that is very often not sole.
In the United States most supermarket sole is a flounder: petrale sole, grey sole and Pacific Dover sole all are. In Britain, lemon sole is a dab. Only the European Dover sole is a true sole. For a trigger journal that matters, because our flounder entry and this one frequently describe the same animal wearing two labels, and a duplicate log looks like an inconsistent reaction. On chemistry, sole sits borderline rather than clean across a spread of columns: B for histamine, tyramine, sulfites and free glutamate, C for salicylates and oxalates. Nothing is high. The bigger variable is what sole is cooked in, because the classic preparations bury a very mild fish under flour, butter, wine, capers and lemon.
Sensitivities
How Sole scores
Watch for
What trips people up
- Check for a duplicate entry. If flounder is already in your log, sole may be the same fish under a market name. Petrale, grey and US Dover sole are flounders and lemon sole is a dab, so "I react to sole but not flounder" is often a labelling artefact
- Graded B for histamine and B for tyramine. Low but not zero, which makes a slowly thawed or day old fillet a more plausible trigger than a fresh one
- Sole meunière and sole bonne femme are flour, butter, cream and white wine. The fish grades A for gluten and A for dairy protein. The dish is neither, and white wine grades E for sulfites and D for histamine
- The standard finish is brown butter with capers and lemon, and both are heavier triggers than the fish: capers grade C for histamine and C for sulfites, lemon is a D histamine liberator. Test sole plainly grilled before you write it off
- The borderline (B) sulfite grade tracks treated and glazed frozen fillets rather than fresh fish, so check the ingredient line on a frozen packet
Diet fit
Where it fits
Swap ideas
More alternatives
FAQ
Common questions about Sole
Is sole the same fish as flounder?
Frequently, yes. Sole and flounder are both flatfish, and most fish sold as sole in North America is a flounder species: petrale sole, grey sole and Pacific Dover sole are all flounders. Lemon sole in the UK is a dab. True sole is the European Dover sole, Solea solea, and it is the expensive one. If you are comparing your sole and flounder diary entries, be aware you may be comparing the same fish to itself.
Is sole high in histamine?
No, it grades B, which is borderline. Sole is a lean white flatfish rather than a dark fleshed species, so the ceiling is low, but B means freshness still counts. Buy it fresh or frozen at sea, thaw it in the fridge rather than on the counter, and cook it the day you thaw it if histamine is one of your tracked triggers.
Why do I react to sole but not to other white fish?
Look at the plate rather than the fillet. Sole is almost always served in a preparation that carries far more trigger load than the fish: a flour dredge for gluten, butter and cream for dairy, white wine for sulfites and histamine, capers for histamine, and lemon as a histamine liberator. Grill a plain fillet with olive oil and salt once, and you will find out quickly whether sole is the problem or the sauce is.
Is sole gluten free and low FODMAP?
A plain sole fillet is both. It grades A for gluten, A across every FODMAP column and A for lactose. The traditional meunière method dredges it in flour before frying, which removes the gluten free status, and a bonne femme sauce built on shallots and wine adds both fructans and sulfites.
References
Read the background
Ratings reflect the Triggerbites ingredient database and may vary with portion size and preparation.