Fill a highball glass with ice.
Add the vodka, coffee liqueur and cream.
Stir briefly to combine.
Top with cold cola and stir once more, gently, so the head holds.
Serve with a straw.
An American ski-town drink from the 1970s. Add the cola last and pour it slowly: dumped in fast it curdles the cream into unattractive flecks rather than the soft head you want.
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