Step 1.
- Chill a martini glass by filling it with ice water and setting it aside.
Step 2.
- In a cocktail shaker, combine the sake and dry vermouth over ice.
Step 3.
- Add a dash of sesame oil for a hint of nutty flavor.
Step 4.
- Shake gently to combine all ingredients.
Step 5.
- Empty the ice water from the chilled martini glass.
Step 6.
- Strain the mixture into the chilled glass.
Step 7.
- Garnish with a sprinkle of toasted sesame seeds and a cucumber slice.