It's perfectly safe. Some of the best restaurants in London will stock Irish bog butter. In fact, there's a whole etiquette already in place. The waiter will b

It's perfectly safe. Some of the best restaurants in London will stock Irish bog butter. In fact, there's a whole etiquette already in place. The waiter will bring a sample on warm toast soldiers, each person at the table will taste it and then attempt to guess the age of the butter. The person furthest away from the real age has to pay the bill. But at 10000 EUR per kilogram, it's not for millennials.