"I like the preciseness of this as a canapé. A precise canapé is perfect for a tailored moment when people first arrive - your comfort level is different before you've had a couple of drinks. This is neat and rich and delicious and you don't have to think about it too much. The quality and the freshness of the livers is important here, and the butter and the alcohol that go into it have to be top-of-the-pops as well."
Note Brioche is available in loaves from supermarkets and bakeries.