[header] How to make an amaretto sour [title] Fill a cocktail shaker halfway with ice cubes. [step] This doesn't have to be done perfectly. [title] Pour your desired amount of amaretto into the shaker. 
[step] Some people insist on making an amaretto sour with one part amaretto and one part sweet and sour mix, while others make it with two parts amaretto and one part sweet and sour mix. It depends on what you want: more of a sweet and sour flavor, or more of a nutty, creamy flavor.