2 oz rye, preferably Wild Turkey 1011 tsp rich demerara syrup3 dashes Dad's Bitters
instructions :

Combine all ingredients in a mixing glass over ice and stir until chilled. Strain into a rocks glass over a large ice cube.

Garnish with orange and lemon peels

Dad’s Bitters Blend:

1½ oz Angostura bitters

1 oz Bitter Truth Orange Bitters

1 tsp Bitter Truth Jerry Thomas Decanter Bitters

Riff :

Maple (syrup) and black walnut (bitters)

source :