The classic old fashioned recipe: how to make it perfectly every time

Few cocktails have earned their place in history quite like the Old Fashioned. It is, by most accounts, one of the first cocktails ever defined, a simple combination of spirit, sugar, bitters, and water that has been ordered at bars around the world for well over a century. At Bols Cocktail Experience, where we celebrate the craft and culture of cocktail-making every day, the Old Fashioned holds a place of particular respect. If you want to understand what a cocktail truly is, this is where you start.

What makes this drink so enduring is exactly what makes it challenging: there is nowhere to hide. With only four ingredients and a single mixing technique, every decision you make matters. The spirit you choose, the quality of your bitters, the size of your ice, the way you express that orange peel, all of it shapes the glass you put in front of someone. This guide walks you through a reliable, time-tested old fashioned recipe and gives you the knowledge to make it brilliantly, every single time.

Old fashioned cocktail

The Old Fashioned is the cocktail in its purest form. The name itself is a clue to its origins: when bartenders in the late 19th century began adding fruit, liqueurs, and all manner of additions to drinks, a certain clientele pushed back and asked for their whiskey made the old fashioned way, with just a lump of sugar, a dash of bitters, and a splash of water. That request eventually became a category, and then a name.

Today, the old fashioned cocktail is recognized as a foundational drink in any bartender's repertoire. It sits alongside iconic serves like the margarita recipe and the aperol spritz as one of the world's most ordered cocktails. Its simplicity is deceptive. A well-made Old Fashioned is deeply aromatic, perfectly balanced, and smooth in a way that a rushed or poorly built version never will be.

Understanding this drink means understanding the philosophy of balance. Spirit, sweetness, bitterness, and dilution, get all four right, and the result is something genuinely remarkable.

Bourbon old fashioned, choosing your spirit

While the Old Fashioned can be made with rye whiskey, rum, or even mezcal, the bourbon old fashioned is by far the most popular modern interpretation. Bourbon brings a natural sweetness from its corn mash and American oak ageing, which integrates beautifully with the sugar and Angostura bitters in the recipe.

When thinking about the best bourbon for old fashioned cocktails, look for something with a solid proof, around 90 to 100 proof works well, and a flavour profile that leads with vanilla, caramel, and gentle spice. A bourbon that is too light will get lost; one that is overly aggressive or heavily peated will overwhelm the delicate balance you are trying to achieve. Mid-range bottles from well-established distilleries tend to outperform expensive showpieces in a mixed context.

The key principle is this: use a bourbon you would happily drink neat. The Old Fashioned does not mask flavours, it frames them.

The old fashioned drink: ingredients you need

A proper old fashioned drink calls for four things: whiskey (typically bourbon), sugar, bitters, and water. That is it. Here is what you need:

• 60 ml bourbon (or rye, if you prefer a drier, spicier profile)
• 1 sugar cube (or 10 ml simple syrup)
• 2 dashes Angostura bitters
• A few drops of water (introduced through stirring with ice)
• Garnish: a large orange peel, and optionally a cocktail cherry

For a drink this stripped back, ingredient quality is everything. Use a good bourbon, fresh citrus for the garnish, and proper cocktail bitters. If you are building out your home bar with quality essentials, browsing cocktail recipes is an excellent starting point.

How to make a whiskey old fashioned step by step

The whiskey old fashioned is built, and stirred, directly in the serving glass. Follow these steps:

1. Place your sugar cube in the base of a rocks glass (also called a lowball glass). Add two dashes of Angostura bitters directly onto the sugar.
2. Add a small splash of still water and muddle the sugar until it dissolves. If you are using simple syrup, just add it directly and skip the muddling.
3. Add a large ice cube or a few standard ice cubes to the glass.
4. Pour in 60 ml of your chosen bourbon.
5. Stir steadily for around 20 to 30 seconds. You are chilling the drink, diluting it slightly, and integrating all the elements.
6. Take a wide strip of orange peel, hold it skin-side down over the glass, and give it a firm twist to express the oils across the surface of the drink. Run the peel around the rim, then drop it in or rest it on the glass edge.

Serve without a straw. The drink is meant to be sipped slowly.

Tips for the best old fashioned recipe

If you want the best old fashioned recipe, a few principles will take you a long way.

Use a large, single ice cube. Large format ice melts more slowly than small cubes, which means less dilution over time. Your drink stays cold and properly concentrated all the way to the last sip.

Never muddle the orange. This is one of the most common mistakes in an old fashioned cocktail recipe and it creates a pulpy, slightly bitter drink with a murky appearance. The orange contributes aroma through the expressed peel, not flesh or juice.

Stir, do not shake. Shaking introduces air bubbles and over-dilutes a spirit-forward drink. Stirring gives you clarity, control, and the silky texture that defines a well-made Old Fashioned.

Taste as you go. If the drink feels too sweet, you may need more bitters next time. If it feels too sharp, allow slightly more dilution through stirring.

Variations worth exploring

Once you have the classic version mastered, the Old Fashioned becomes a wonderful template for experimentation. A rye whiskey old fashioned is drier and more assertive, excellent if you prefer less sweetness. Replacing simple syrup with a flavoured alternative, such as a demerara or honey syrup, adds depth and richness.

For something unexpected, try the structure of the classic sour cocktail recipes applied to aged rum or reposado tequila. The logic holds: a full-flavoured, aged spirit paired with sugar, bitters, and water. The result is its own thing entirely, but the technique is identical.

At House of Bols, we believe that understanding the classics is the foundation of everything interesting that comes after. The Old Fashioned is not just a drink, it is a lesson in balance, restraint, and the transformative power of quality ingredients. Make it well, and you will never look at a cocktail the same way again.