Created by ImPat on December 28, 2017
Step 1: Cut on lime in half crossways, then very thinly slice and cut the second lime into small dice.
Step 2: Using a mortar and pestle, crush diced lime to extra juice and then reserve the juice.
Step 3: Combine cordial, soda water and reserved lime juice in a jug.
Step 4: Divide lime slices, diced lime, mint leaves, blackberries and ice cubes between short serving glasses.
Step 5: Pour soda water mixture into glasses and stir with a swizzle stick and serve,