The aroma is probably a left over from their days when they carried Race Horses.
They told you racehorses but HTF did you think they kept the Base food budget in under cost and kitchen staff needing to be able to afford a sunshine holiday.
Many a person has been told to take a running jump post meal....................they weren't kidding, they knew what was in the Shepherds pie which should have been renamed Old Nag Pie.