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Freshness Burger’s soy patty: check the bun and sauce

The March 2023 announcement describes a plant-derived soy patty but explicitly notes animal-derived ingredients in buns or sauces. It is dated product information, not a promise that the same promotion or price remains available today.

Illustrative dining scene in Japan, not the restaurant or a verified dietary menu
Unsplash · Illustrative dining photograph, not the featured restaurant

The March 2023 announcement describes a plant-derived soy patty but explicitly notes animal-derived ingredients in buns or sauces. It is dated product information, not a promise that the same promotion or price remains available today.

The company and its food concept

Freshness Burger is a burger restaurant brand that has offered soy-patty substitutions as part of its alternative-protein menu. Its own explanation distinguishes the patty from the bun and sauce around it.

Company / brand source

What the menu evidence supports

Menu to look for: Soy-patty burgers: buns and sauces can contain animal ingredients.

The available sources do not establish a current vegan meal for the whole brand. This is a lead for further checking, not a verified vegan recommendation.

Official menu or product information

How to order and what to ask

Ask about the complete assembled burger and the current menu before ordering. A patty substitution alone is insufficient evidence for a vegan meal; the halal position also remains unconfirmed.

  • Soy meat alone does not make the full dish vegan.
  • Availability and recipes can vary by branch and season.

Keep vegan and halal checks separate

Halal status remains unconfirmed in this guide. A vegan recipe alone does not establish alcohol-free preparation or halal certification. If avoiding a particular ingredient is essential, describe that ingredient directly to the branch and ask about sauces, stock and shared equipment. We have not conducted an on-site inspection or an allergy assessment.

Sources and review date

Official website information reviewed on 27 October 2026. Older announcements are identified in the text and do not establish current availability. Menus can change; use the linked source and confirm your chosen branch before travelling.

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Cover: an illustrative dining photograph from the Salam Tokyo library, via Unsplash. It is not evidence of a restaurant or of halal or vegan ingredients.

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