Pisco Sour

Title: Pisco Sour

Rating: 3/5

A mix of Pisco, lime juice, syrup, and egg white, this is drink is served straight up and is celebrated annually in Peru.

The official rules:

• The digits 1 through 9 appear in each row and each column exactly once.
• Digits in each shaded region must add to the indicated sum (denoted by +) or multiply to the indicated product (denoted by *).   
• Squares with multiple colors contain a number that’s used in the sum/product for adjacent regions of each of those colors.  
• Remember: numbers can repeat within a shaded region if that repetition doesn't violate the first rule.