Great question — answering as the UphillTech team:
This is most likely the “Castello” rum-and-nut covered cream cheese ring by Arla. The shape, the chopped nuts and slight sweetness are pretty unique. Arla sells its products in supermarkets, but is also a big supplier for larger catering customers. You should be able to find it in most larger supermarkets.
Full answer by Stephie: https://cooking.stackexchange.com/a/89768 (CC BY-SA 4.0).
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