[header] How to make a midori sour [title] Fill a glass with ice. [step] For a basic midori sour, an old fashioned or on the rocks glass, which typically holds about 8 ounces (237 ml), is the best option. Place enough ice in the glass to fill it. 
[substeps] If you prefer, you can mix all of the ingredients for the midori sour in a cocktail shaker with ice and then pour it into the glass. [title] Add all of the ingredients except the soda and stir.