White Chocolate Espresso-Vodka Martinis

1. 1

   Combine the water and espresso powder in a large measuring cup.

2. 2

   Whisk to dissolve.

3. 3

   Set aside to cool.

4. 4

   Pour into 2 ice cube trays.

5. 5

   Freeze until solid, at least 8 hours.

6. 6

   Transfer the ice cubes to a resealable plastic bag and store in the freezer for up to 3 days.

7. 7

   Combine the half-and-half and white chocolate in a small bowl.

8. 8

   Place over a small pan of barely simmering water.

9. 9

   Stir until the chocolate has melted and the mixture is smooth, about 5 minutes.

10. 10

    Cool the chocolate mixture, whisking occasionally.

11. 11

    Scrape the chocolate mixture into a blender.

12. 12

    Add the vodka, sugar, vanilla and espresso ice cubes.

13. 13

    Blend until smooth, at least 1 minute.

14. 14

    Pour into 4 large martini glasses.

15. 15

    Garnish with grated white chocolate, if using, and serve.

* Per serving · 4 servings · Values may vary.