Like a Manhattan but NOT

Another sweet treat from New Orleans.  On our last trip we had the great privilege of meeting Matthew at the Sazerac Bar.  Yes this is becoming a routine to visit this great establishment and see what the bartenders have come up with for us to try.  His version of the Like a Manhattan but NOT is posted below.  Cheers!
2 oz Rye Whiskey
1 oz Averna
1/4 oz Fernet
2 dashes of bitters
garnish with an orange peel