Mix all the ingredients except the ginger beer in a jug. Then add cubed ice to chill and garnish with slices of blood orange, fresh mint leaves and assorted berries. Apply the last touch by topping up with ginger beer and serve chilled.
There is always space for tea – even in a cocktail.
The Penicillin cocktail might not have proven healing properties but a shot on a cold autumn night will surely do a good job flushing out the chill from your bones. The drink was originally conceived by a New York bartender going by the name of Sam Ross.