The Grapefruit Crush

The Grapefruit Crush 1 1/2 grapefruits, juiced 1.5 oz vodka 1 oz orange liqueur splash of lemon-lime soda ice Pour all ingredients into cocktail mixer and shake. Strain into a cocktail glass filled with ice. Garnish with grapefruit peel or slice. Source: http://tideandthyme.com/the-grapefruit-crush/