a. In daf ע''ה in מסכת פסחים the גמרא discusses what type of grilling is considered צלי אש, and is roasting with residual heat considered צלי? Both with regard to פסח, and to fueling an oven with ערלה shells. b. The גמרא comes to explain that parts of a קרבן that came in contact with other heat sources like תרומה or מעשר שני. c. Key terms and concepts: 1. מעשה לסתור - A story contradicts a previous הלכה mentioned in a משנה.