I was at a party, don’t recall the theme if there was one, but one fine bloke came in with his own freshly squeezed lemon juice, simple syrup and Jameson Irish Whiskey. Best Whiskey Sour I have ever had, as I don’t like too sour a sour. I took a photo as quick as I could and memorized the simple recipe:

1 part fresh lemon juice, 1 part simple syrup, 2 parts Jameson or rye, pour over ice and stir.