COLD BREW COFFEE CONCENTRATE 250ml - Impressive Derby Bottle, Flint Glass & Cork Stopper Learn how to make this classic coffee cocktail. Our easy recipe uses freshly brewed cold brew coffee concentrate, vodka, a dash of coffee liqueur and sugar syrup. Method STEP 1 You can buy sugar syrup in the shops or make your own. To make the sugar syrup. Its simple enough, just put 100g of caster sugar in a small pan over medium heat and pour in 50ml water. Stir, and bring to a 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 ready and cool, pour 1 tbsp into a cocktail shaker along with a handful of ice, 100ml vodka, 100ml of the STUDIO coffee Cold Brew coffee concentrate, 50ml of coffee liqueur & shake until the outside of the cocktail shaker feels icy cold. STEP 4 Pour into the chilled glasses. Garnish each one with coffee beans if you like.