Try this refreshing and delicious take on a classic whiskey sour.
- 2 oz Bourbon
- 1 oz grapefruit juice
- 1 oz Rosemary simple syrup*
- combine all ingredients in a cocktail shaker with ice and shake vigorously.
- strain over ice
- garnish with a slice of grapefruit
*to make rosemary simple syrup, combine 1 cup sugar with 1 cup water and a few sprigs of rosemary in a small saucepan and bring to a boil, reduce heat to low and allow to simmer for 5 minutes. Strain and allow to cool before using