Fill an old-fashioned glass with ice.
Add the vodka, coffee liqueur and lemon juice.
Stir in the glass for 10 seconds until chilled and lightly diluted.
Express a lemon twist over the surface and drop it in.
A mid-century American bar staple that never got the fame of the Black Russian, largely because bartenders kept dropping the lemon. That 7.5ml is the entire argument for the drink existing.
My Bar Shelf reads your shelf and shows you every cocktail you can make from what you already own, including Black Magic.