Sweetgreen Pickled Onions

Yes, Sweetgreen's pickled onions are high in histamine for the purposes of a histamine-intolerance diet. The red onion itself is mild; the problem is the white wine vinegar brine, which is fermented from wine and carries its own high histamine load, so the whole bowl hits harder than it otherwise would.

Why sweetgreen pickled onions are rated high

Look at the ingredient list and it is short: red onion, sea salt, maple syrup, white wine vinegar, water. Four of those five are easy. The fifth, white wine vinegar, is what moves this topping all the way to high. It is made from wine, and wine-based vinegars are themselves fermented, which is why they run high in histamine. So these onions are not a big histamine source on their own; they are a small topping that carries a real dose of the vinegar it soaks in, which can make the rest of the meal land harder. This is a vinegar pickle, not a fermented one, which is worth knowing: the onion itself isn't fermented, but the wine vinegar it sits in already is.

What changes your risk

• What you put them next to — because the onions carry a real dose of high-histamine vinegar, they add on top of whatever else is in the bowl. On a bowl built from lower components that addition is smaller; on a bowl with higher components it compounds.
• The amount — this is a scoop-sized topping, and more brine means more of the vinegar effect. A lighter scattering is lower in total vinegar than a heavy handful, though it is still a high-rated component.
• The brine, not the onion — red onion alone rates low. Every bit of the concern here sits in the white wine vinegar the onions soak in, which is why the plain onion and the pickled onion land in completely different places.
• Sitting on the line — these are held chilled in their brine through service. Time in the brine does not create histamine in a low-protein vegetable, so counter time is not the lever; the vinegar was always the issue.

Lower-histamine alternatives

For the same job of adding a bright, sharp note to a bowl, Sweetgreen's lower-rated list gives you fresh herbs: Basil, Cilantro, and Mint all bring flavor without a vinegar brine. For crunch and freshness there are Cucumbers, Apples, Chopped Romaine, Organic Arugula, and Organic Shredded Kale. Golden Quinoa and Hard Boiled Egg round out the lower-rated options if you are building a whole bowl.

How to lower the risk

Sweetgreen is a build-to-order counter, so the cleanest approach is simply to build your bowl from the lower-rated components and not select the pickled onions. If you do want them, keep in mind that the effect is about what they are paired with: a bowl of Chopped Romaine, Cucumbers, Golden Quinoa, a Hard Boiled Egg, and a handful of Basil or Mint gives the vinegar less to amplify than a bowl stacked with higher components. Apples can give you a sweet-tart contrast in place of the brine.

Common questions

Are Sweetgreen's pickled onions fermented?

No. The ingredient list shows red onion pickled in white wine vinegar with salt, maple syrup, and water, which is a vinegar pickle rather than a fermented one. The high rating comes from the white wine vinegar itself, which is fermented from wine even though the pickling process here is not.

Why are the pickled onions high when plain red onion is low?

The onion is not the issue. White wine vinegar, which is made from wine, is high in histamine on its own, so the brine can make the rest of your bowl hit harder.

What is a good substitute for pickled onions at Sweetgreen?

For a sharp, fresh flavor, Basil, Cilantro, or Mint from the lower-rated list work well, and Apples or Cucumbers add crunch and brightness without a vinegar brine.

Does a small amount of pickled onions matter?

Less brine means less vinegar, so a light scattering is lower than a heavy scoop, but it is still a high-rated component and its effect depends on what else is in the bowl.