This drink has everything to do with making good use of the grapefruit from my Dad's tree and absolutely nothing to do with me trying to justify the purchase of a bottle of Lillet. Did that sound convincing?
from Serious Eats
Ice cubes (for the glass and for mixing)
75ml freshly squeezed grapefruit juice
A thin slice orange for garnish
Half fill a tall glass with ice. Set aside
Fill a mixing glass with ice. Pour the vodka, Lillet and grapefruit juice in and stir until very cold. Pour over ice in the prepared glass and garnish with a thin slice of orange, Old Sport.