Start by making the sugar syrup. Put the caster sugar in a small pan over a medium heat and pour in 50ml water. Stir, and bring to the boil.
Step 2
Turn off the heat and allow the mixture to cool. Put 2 martini glasses in the fridge to chill.
Step 3
Once the sugar syrup is cold, pour 1 tbsp into a cocktail shaker along with a handful of ice, the Absolut Vodka, espresso and Kahlúa. Shake until the outside of the cocktail shaker feels icy cold.
Step 4
Shake until the outside of the cocktail shaker feels icy cold.
