Ingredients Zest of 1 lemon 1 tbs caster sugar 80ml whisky 1 tbs yuzu juice 1 tbs sugar syrup 1 egg white, whisked Method 1. Combine lemon zest and sugar and rub rim of serving glasses with a little water then press rim into lemon sugar mixture.2. Place all ingredients into a cocktail shaker filled with ice and shake. Strain into glasses and serve.