Dry shake all ingredients vigorously (no ice), then wet shake vigorously (with ice), pour into chilled glass

To make the bacon-washed Bushmill's Original, cook 8oz bacon, keep the rendered fat. Shake 50 to 60g of the melted fat with 70cl whiskey, then leave the mixture to sit for a few hours, shaking occasionally. Chill the mixture. After a couple of hours remove the now hardened fat, filter the solids out (coffee filters will work) and the remaining spirit will have been infused with a richer, rounder texture and a subtle flavour

Consuming raw or undercooked eggs carries a risk of salmonella poisoning. In the UK, eggs stamped with the British Lion Mark are vaccinated and safe for everyone, including pregnant women. However, vulnerable groups should avoid unpasteurised raw eggs