Drinking Coffee Without Kosher Certification.

Is it permissible to drink black coffee without kosher certification, and is there a concern of bishul akum with coffee?

There is no concern of bishul akum with coffee, and it is permissible to drink the coffee in a disposable cup.

The Gemara in Tractate Avodah Zarah, page 38, states: "Rav Shmuel bar Rav Yitzchak said in the name of Rav, anything that is eaten raw does not fall under the prohibition of bishul akum. In Sura, they taught this way, in Pumbedita they taught this way: Rav Shmuel bar Rav Yitzchak said in the name of Rav, anything that is not eaten at the king's table to accompany bread does not fall under the prohibition of bishul akum. In Shulchan Aruch, Yoreh De'ah, Siman 113, סעיף 1, both conditions are ruled leniently: 'Anything that is not eaten raw and is served at the king's table to accompany bread or as a delicacy, if cooked by a non-Jew, even in a Jew's utensil and in a Jew's home, is prohibited due to bishul akum.' At first glance, coffee is not eaten raw and requires cooking, and there is no leniency of being eaten raw, and even the second leniency of being served at the king's table, although the language of the Shulchan Aruch implies it must accompany bread, many of the Rishonim were stringent even in something not made to accompany bread if it is an important food. However, regarding coffee, the Acharonim (Chochmat Adam, כלל 66 סעיף 14, Aruch HaShulchan, סימן 113 סעיף 20) wrote based on the words of Tosafot in Tractate Avodah Zarah, page 32, which discusses bishul akum in beer and writes: 'There is another reason to permit beer, as there is no prohibition of bishul akum, because just as the grain is nullified concerning the water regarding the blessing of 'shehakol nihyeh bidvaro,' so too it is nullified concerning the prohibition of cooking. Therefore, coffee, which is not blessed with 'borei pri ha'etz' like coffee beans, but rather 'shehakol' like water, is nullified concerning the water, and the water is eaten raw, and there is no prohibition of bishul akum. The reason it should be drunk in a disposable cup is due to the concern of absorption of prohibition in the utensils of non-Jews.