The halacha (SA OC 318) generally is that if someone cooks food b'mezid (on purpose) on Shabas then he may not eat it, not even after Shabas. Magen Avraham adds that the pot in which the food was ...
If I go and lean my head over a pot on the stove, open my mouth wide, allow the steam that's rising to enter my mouth, and then swallow it (don't try this at home), does that give me a status of being ...
Suppose I have water that was cooked with non-kosher food. I then take the water and distill it. Would this water be considered permissible to drink?
Are you allowed to refill a percolator or hot water urn on Yom Tov?