Frisee lettuce

Frisee is low in histamine and is a friendly salad green for most people with histamine intolerance. It is a fresh, unfermented leaf, so histamine is not the issue; the practical catch is that its wispy curls are very perishable and trap grit, so freshness and washing matter most.

Why frisee lettuce is rated low

Frisee is the frilly, pale-hearted member of the chicory and endive family, eaten fresh in salads. Like its cousins escarole and endive, it is not cured, aged, or fermented, which is why it rates low. Its mild bitterness is a natural chicory trait, not a histamine signal, so a slightly bitter frisee is perfectly normal and nothing to read into.

What changes your risk

• Freshness — Look for perky, springy leaves with crisp pale centers. Frisee wilts quickly, so a limp or slimy head is past its point.
• Grit — Those tight curls hide soil. Wash thoroughly, since a well-rinsed, dried head both tastes better and keeps longer.
• Slimy leaves — Wet, dark, translucent leaves have started breaking down. Pull them out and discard rather than eating around them.
• Cold, dry storage — Keep it cold and loosely wrapped with the leaves dry, and use it within a few days of buying.
• Bitterness is natural — The faint bitter edge comes from the chicory family, not from histamine, and is nothing to worry about.

What else is safe

Frisee has plenty of good company among low, fresh greens: escarole, endive, romaine, and butter lettuce are all in the same easygoing group and can stand in for one another. The green to keep off the swap list is spinach, which looks like an innocent leafy option but actually contains histamine and is a frequent trigger, so it is not a fair substitute for frisee.

How to enjoy it

Choose a head with lively, uncrushed curls and a crisp light-colored heart. Separate the leaves, swish them well in cool water to shake loose trapped grit, and dry them thoroughly before storing loosely in the crisper. Use it fresh as a salad base or a garnish, dressed simply with olive oil. Because it fades fast, buy it close to when you will eat it, and discard any slimy leaves instead of trimming around them.

Common questions

Is frisee the same family as endive?

Yes. Frisee is a curly-leafed member of the chicory and endive family, and like endive and escarole it is low in histamine.

Why does my frisee taste bitter, is that bad?

The mild bitterness is natural to chicory greens and has nothing to do with histamine. It is simply the flavor of the leaf.

Can I swap spinach for frisee in a salad?

Not if you are watching histamine. Spinach contains histamine and commonly causes reactions, so reach for another low green like romaine or escarole instead.