125 ml blood orange juice
250 ml chilled vodka
180 ml chilled Cointreau liqueur
80 ml fresh lime juice
24 ice cubes
1 slice blood orange (to garnish)
Before starting, place martini glasses in freezer to chill.
Combine all ingredients in cocktail shaker.
Shake till mixture is very cold.
Strain into frozen martini glasses.
Garnish with orange slices.