Listed below are some products that do not require kosher certification if they do not have additives, and, if food items are not a product of Israel (if from Israel, needs reliable certification). Check back from time-to-time, since there may be changes.

Note:This list is not for Passover use

Aluminum Foil

Applesauce plain only, even with high fructose corn syrup and vitamins

Baking powder

Baking soda

Beer
domestic unflavored

Bran
unprocessed

Buckwheat
raw

Carob Powder

Cocoa Powder
plain (not cocoa mix)

Coffee
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Please be advised that Starbucks corporation has decided to end the expanded STAR-K kosher information program.
Consumers are advised that effective immediately the STAR-K can only recommend a limited number of drinks and can no longer vouch for the kashrus of many of the flavored items previously listed.

In general Starbucks stores serve hot treif meat and cheese. Therefore, since 2011, Rav Moshe Heinemann Shlit”a, STAR-K Rabbinic Administrator, suggests that one should avoid if at all possible, buying drinks prepared with equipment that may have been washed with treif equipment. There are drinks (see list below) that are prepared without any contact with questionable equipment and are acceptable at any store.

When one is traveling, (traveling means when one is away from home and no other viable kosher certified coffee option is readily available),  this creates a situation of sha’as hadchak – i.e., a difficult situation and one need not be concerned with the restrictions on […]

For a detailed pas habaa bkisnin discussion see here.

I. Varieties and circumstances that warrant a Birchas Hamotzi:

Pizza:
Three slices of 18″ pizza pie
Three slices of 16″ pizza pie
1/2 of a 14″ thin crust pie,
1/2 of a 12″ regular pizza pie
1/2 of a 9″ deep dish pizza pie

Other:
Bagel chips made from bagels
Calzone – 1 from a pizza shop; 2 pre-packaged frozen
Croissants (when augmenting a dinner meal)
Croutons (toasted)
Matzos (Sefardim should ask their Rabbi)
Melba toast
Mezonos rolls – that taste like cake and are augmenting a dinner meal, and those that taste like bread
Soft pretzels (when augmenting a dinner meal)
Stromboli – 1 from a pizza shop; 2 pre-packaged frozen

II. Varieties and circumstances that warrant a Birchas Mezonos when eaten as a snack:

Bagel Chips
Breadsticks
Croissants (as a pastry)
Flatbreads (all varieties)
Hard Pretzels
Kichel
Matza Tams
One […]

1. It is vital that instructions are followed as stated in the correct sequence. Not following the procedure properly may invalidate the hetter iska.