Place 8 sorrel leaves into a shaker and muddle
Pour in 0.75 oz of quail egg white, 0.5 oz of lemon juice, 0.75 oz of sugar syrup, 1 oz of pineapple juice and 1.5 oz of vodka
Fill the shaker with ice cubes and shake thoroughly
Finely strain into a chilled cocktail glass
Garnish with a sorrel leaf