Place 6 slices of ginger root into a juicer and juice
Place 4 bar spoons of sea buckthorn jam into a highball glass
Pour in 0.35 oz of lemon juice, 0.5 oz of ginger root juice, 2 oz of orange juice and 1.5 oz of cognac
Top up with boiling water and stir gently
Garnish with a sprig of rosemary and an orange wheel