Winter frosted coffee

Winter frosted coffee
1-1/2 oz Espresso Vodka
1 oz  Irish Cream
1/2 oz Godiva chocolate liqueur
1 oz espresso
1 egg white (optional)
2 dashes orange bitters

Shake all ingredients with ice excluding the egg white. Remove ice. Add egg white and Hawthorne strainer spring. Shake again and strain into a coupe glass.

Garnish: orange zest and dark chocolate shavings