This course explores the foundational principles of Taaruvos, the halachic concept of mixtures, as presented in Simanim 98-105 of Yoreh De'ah. Taaruvos, a cornerstone of the laws of Issur V'heter (permitted and forbidden foods), has far-reaching implications for practical observance of kashrut. Through in-depth analysis of primary texts and classical commentaries, students will gain a comprehensive understanding of the different categories and halachic ramifications of mixtures and how Taaruvos impact various areas of Jewish law, including food preparation, Shabbat, and Pesach. Students will also learn to apply these principles to contemporary kashrut scenarios. This course is essential for students seeking a deeper understanding of the intricacies of Issur V'heter and its application in daily life.