Instructions
- Chill a martini glass by filling it with ice water and setting it aside.
- In a cocktail shaker, add ice, gin, blood orange juice, and dry vermouth.
- Shake well until the mixture is chilled.
- Empty the ice water from the chilled martini glass.
- Strain the cocktail mixture into the chilled glass.
- Garnish with a slice of blood orange on the rim.