Make the super refreshing Starbucks Cool Lime Refresher at home for less than £1! This recipe is identical to the one you can buy from your local Starbucks. Step by step guide below... X1 handful Party Ice X1 handful fresh mint leaves X4 lime wedges X1 tsp sugar X300ml cold water Garnish: Lime wheels 1. Infuse the mint, lime and sugar in cold water for 2-4 hours. The longer the better. 2. Strain into a glass filled with ice. 3. Garnish with lime wheels before serving.