Cut a grapefruit in half, and squeeze out juice. Strain to remove pulp and seed. I like use this.
Fill glass with ice and set aside.
In a cocktail shaker filled with ice, combine grapefruit juice and vodka (or gin). Shake to combine. You can also use a mason jar f you don't have a cocktail shaker.
Pour into prepared glass.
Notes
Ingredient Notes and Shopping TipsVodka: Use a mid-level variety that you enjoy drinking. A flavored vodka such as grapefruit, orange, or peach would also work well.Grapefruit: Use freshly squeezed grapefruit juice if possible for the best flavor. One grapefruit should provide the amount of juice needed. Tips and Tricks
Use Mason Jar: If you don't have a cocktail shaker a mason jar will do fine.
This drink has 1 shot of liquor making it equal to one standard drink. Always enjoy responsibly.
Avoid a Watered-Down Drink: Use grapefruit juice to make ice cubes.