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Boston Market Mashed Potatoes

Moderate histamine

These mashed potatoes are moderate, mostly from the margarine mixed in.

Food here is usually assembled to order from components that were prepped earlier in the day, so it tends to be fresher than a drive-through and less fresh than cooking at home. Histamine builds up as protein foods sit, so how long the chicken or beef has been in the warmer matters as much as what is in the bowl. Treat the rating above as a starting point.

Dairy

A simple side of potatoes mashed with whole milk, butter, margarine, and onion.

  • Margarine leads it — it sits at moderate and is the one ingredient nudging this side up from low.

  • The rest is milder — potatoes, whole milk, butter, and onion are gentle, so this stays a moderate side rather than a high one.

Asking for it made with just butter and milk keeps it on the lower side.

What's in it

This is a restaurant menu item, so its rating comes from its ingredients. Here is what it is typically made of and where the histamine sits. Tap any whole food for the full detail.

This rating comes from Boston Market's own published ingredient statement, read on August 11, 2026. Restaurant recipes vary by location and change over time, so always check the current listing: source 1, source 2. How we rate foods →

Boston Market Mashed Potatoes and Boston Market are trademarks of their respective owners. This page is an independent histamine reference and is not affiliated with, endorsed by, or sponsored by the brand.

Related foods

Other moderate-histamine restaurant foods.

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Learn more

Foods With High Histamine Levels Why Freshness Matters More Than Food Lists Why Leftovers Can Trigger Histamine Symptoms What Are Histamine Liberators?

For educational purposes only. Not medical advice. Consult a healthcare professional for personal guidance.

References

  1. SIGHI Food Compatibility List — SIGHI (2026)
  2. Histamine and histamine intolerance — Maintz & Novak (2007)
  3. Histamine Intolerance: The Current State of the Art — Comas-Basté et al. (2020)
  4. Low-Histamine Diets: Is the Exclusion of Foods Justified by Their Histamine Content? — Sánchez-Pérez et al. (2021)
  5. Histamine Intolerance: Symptoms, Diagnosis, and Beyond — Jochum (2024)
  6. Guideline on management of suspected adverse reactions to ingested histamine — Reese et al. (2021)