Ingredients:

• 1 oz espresso
• 1 1/2 oz jigger vodka
• 1 1/2 oz Kahlua (or other coffee liquor)
• 1 oz white creme de cacao (not sure about this)
• 1 egg white (experimental; consider adding this for frothiness)

1. Pour ingredients into shaker filled with ice, shake vigorously, and strain into chilled martini glass. Result should be somewhat frothy.