"We take the incident very seriously and investigate what happened.
The listeria bacterium dies when the food is heated to at least 72 degrees and then poses no health risks ", the company writes.
The product that is being recalled has been sold in stores in Dalarna from 11 February and has a best-before date of 4 March.
"If you have packages left of the current best before date, discard and complain directly via the complaint form on the website," writes Siljan's chark.