Is Starbucks Crispy Grilled Cheese On Sourdough High in Histamine?

Starbucks Crispy Grilled Cheese on Sourdough

High histamine

This grilled cheese is high in histamine from the aged cheeses and the cultured, fermented bread.

Fast food is cooked in batches and held warm rather than made when you order it, so it is rarely as fresh as something cooked at home. That matters here because histamine builds up as protein foods sit, which means the same item can affect you differently depending on how long it waited.

Gluten Dairy

It is melted cheddar, parmesan, and mozzarella on a sourdough-style bread.

Aged cheeses lead — cheddar and parmesan are both aged and high, and either one alone is enough to set the level.
The bread runs high too — cultured wheat starch is high from fermentation, while the wheat flour, rye flour, malted barley flour, and yeast in the bread sit at moderate.

Because the aged cheeses and the fermented bread both drive it up, an ordering tweak here does not really change the level.

This rating comes from Starbucks' own published ingredient statement, read on August 10, 2026. Restaurant recipes vary by location and change over time, so always check the current listing: source 1, source 2. How we rate foods →

Starbucks Crispy Grilled Cheese on Sourdough and Starbucks 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.