I got this recipe from the Midori website but changed it up a bit.
Melon Ball Cocktail
60ml (2oz) MIDORI
30ml (1oz) vodka
4 oz orange juice
orange slice/frozen melon balls for garnish
Fill the glass with ice.
Mix together MIDORI and vodka, pour into glass.
Top with orange juice.
Garnish with an orange slice or frozen melon balls.