The Istanbul Old Fashioned is a sophisticated and timeless cocktail that pays homage to the classic Old Fashioned. It combines bourbon, sugar, bitters, and a touch of orange zest for a rich and aromatic flavor. This cocktail is typically served in a lowball glass, garnished with a twist of orange peel. The Istanbul Old Fashioned is a perfect choice for those who appreciate the elegance and simplicity of a well-crafted cocktail that stands the test of time.