The grapefruit bitters cocktail is a simple drink that combines grapefruit juice, bitters, and vodka. This cocktail is refreshing and light, and it’s perfect for enjoying on a hot summer day.

To make a grapefruit bitters cocktail, start by pouring 1 1/2 ounces of vodka into a shaker filled with ice. Next, add in 3/4 ounce of grapefruit juice and 1/4 ounce of bitters. Shake the ingredients together until well combined, then strain them into a glass. Serve the cocktail …