Prepare the Glass: Fill a lowball or rocks glass with ice cubes (preferably large cubes).Pour the Alcohol: Add vodka first, followed by Kahlúa. Use a 2:1 ratio or adjust to taste.Add the Cream: Slowly pour heavy cream or half-and-half over the back of a spoon or directly into the glass to create a layered effect.Stir (Optional): Gently stir for a uniform creamy texture or leave layered for a visual effect.Garnish and Serve: Add coffee beans, cocoa powder, or a sprinkle of cinnamon. Serve immediately.