Reply To: Very Interesting! The Reason Why We Eat Jelly Donuts On Chanukah

Today’s Daf, Yoma 25, mentions the Kohen Gadol’s Mincha Offering, the Chavitin. It was made from flour and olive oil (Minachot 52). The oil that they found, with the seal of the K”G, was the oil for his Mincha.