1. Put salt on flat plate or other dish so you can rim.
2. Moisten rim of highball glass and lightly place on plate to rim the edge of the glass
3. Add ice to glass, careful not to disturb salt
4. Add vodka
5. Add Rosemary Infused Simple Syrup
6. Add grapefruit juice
7. Using a stirring spoon, mix for 30 seconds
8. Serve

To Make Rosemary Syrup

1. Add all ½ cup sugar, ½  cup water, and 2 Tablespoons to sauce pan and slowly heat to be warm, but not boil.
2. Once all sugar is incorporated into water, remove from heat
3. Strain the liquid to remove rosemary
4. Place in container and keep in fridge for up to one month