By Chicago Rabbinical Council
Starbucks shops serve many kosher and non-kosher items, with the most serious non-kosher item being hot meat sandwiches.
The standard daily clean up at Starbucks includes a hot wash of all utensils and some parts of that washing are done without soap.
This clean up process significantly challenges the kosher status of the otherwise kosher products and each product must be judged by a competent halachic authority.
The cRc will be printing a detailed review and analysis of this topic in the upcoming edition of The Journal of Halacha and Contemporary Society, and that article will subsequently be available on the cRc website.
The good news is that there are many Starbucks locations that do not serve hot meat sandwiches. These are generally the Starbucks kiosks that can be found in airports, department stores, supermarkets, etc., and at these locations the cRc is comfortable recommending any drink made from kosher ingredients (even though some others use ingredients that may not be kosher).
The list below is accurate at this time for stores in the United States, and does not address toppings and other items added to beverages.
Since the information on this list is subject to change, this list should not be used after June 30, 2011.