Simmer ½ cup water and ½ cup granulated sugar until sugar dissolves
Remove from heat and add 2 earl grey tea bags
Steep covered for 10 minutes
Remove tea bags and add 1 tsp vanilla extract
Store simple syrup in an airtight container up to a week
Add gin, lemon juice, earl grey vanilla simple syrup, and St. Germain to a cocktail shaker
Shake well
Strain into a cocktail glass
Garnish with a lemon peel
