Hatmana (Insulating) Food Going into Shabbos 10 – Closing an Oven 2, Submerging Cold Water in Hot Water – (Klal 2 Siman 7-8) Erev Shabbos- S0056
We are continuing in siman 7, discussing the halachos of hatmana as they regard an oven. The Chayei Adam writes that if a person leaves fully cooked liquids in the oven (e.g, coffee) that have cooled down, if by opening and closing the oven door they will reheat, it is assur to close the door. […]