Around 380 kilos of the drug were found when the lorry was searched at Dover Eastern Docks
Cannabis with a street value of about £3.8m has been found in a lorry carrying cheese for pizza.
The Border Force said it discovered 380 kilos of the drug during a search of a British-registered lorry at Dover docks on Tuesday.
A 46-year-old man from Ballymoney in County Antrim, Northern Ireland, has been bailed while enquiries continue.
The investigation has been passed to the National Crime Agency.
