01 - Fill a cocktail shaker halfway with ice cubes.
02 - Add Amaretto, Kahlua, vodka, and heavy cream to the shaker.
03 - Shake vigorously for 15 seconds until well-chilled and frothy.
04 - Strain the mixture into a chilled old-fashioned glass filled with fresh ice.
05 - Garnish with crushed toasted almonds and a maraschino cherry if desired.