1/2 measure Sweet Vermouth
1 measure Bourbon Whiskey (or Rye Whiskey)
3 dashes bitters
1 maraschino cherry and a little juice
Stir with ice or shake
Can make it with 1/2 & 1/2 sweet and dry vermouth for a "perfect"
Can up the bourbon vermouth ration to to 4:1
1 measure