Chemistry Lessons. Fruity. Zingy. Surprising.

Some cocktails come from inspiration. Others come from curiosity. Chemistry Lessons belongs firmly in the second category.

The name of the drink is quite literal. When we created it, we were experimenting with a process that feels more like science than bartending.

Why Bourbon Is Usually Brown

The base spirit of this cocktail is Woodford Reserve Bourbon. Traditionally, bourbon carries a deep brown colour. This comes from the ageing process. The spirit is matured in new charred oak barrels, and over time the alcohol extracts colour, flavour and texture from the wood.

That is why most bourbon-based cocktails look dark and rich.

So when guests see Chemistry Lessons arrive at the table, the first surprise is immediate. The drink is almost clear, with just a slight yellow tone. It looks nothing like the bourbon you would expect.

The Chemistry Behind the Drink

To build the cocktail, we combine Woodford Reserve, Crème de Cacao Blanc, Passionfruit Liqueur, Lemon Juice and Milk.

The key step happens when lemon and milk meet.

The acidity in the lemon causes the proteins in the milk to curdle, forming small soft solids. These solids slowly bind with the other particles in the liquid, including colour compounds from the bourbon.

After letting the mixture sit, we pour it through a cheesecloth, which is a very fine filtering cloth used in cooking. The curds stay behind while the clarified liquid passes through.

What comes out is something quite unexpected. A clear, slightly golden cocktail that still carries all the flavour but none of the cloudiness.

Similar to Cheese, But the Opposite Goal

The process is actually related to cheesemaking.

When making cheese, the goal is to keep the curds and remove the liquid whey. In our case, we do the opposite. The curds act as a natural filter, and we keep the clarified liquid that passes through.

This technique is known as a milk punch, a classic method used to clarify cocktails while softening their texture. We use a similar method with the Tzatziki Martini.

A Drink That Surprises People

When people see the drink for the first time, they usually have three reactions.

First, it doesn’t look like bourbon at all.Second, it doesn’t taste like milk, even though milk was used in the process.And third, it tastes completely different from what they expected.

It isn’t quite an Old Fashioned. It isn’t quite a sour. In many ways, it doesn’t really resemble anything people have tried before.

The Moment It Became Real

Out of all the drinks we have created, this one probably means the most to me.

Before we opened Nectar, we spent countless evenings experimenting with different techniques and ideas. We wanted to create something that felt truly unique. The first time we made this drink, we filtered the mixture through a simple kitchen towel, watching the liquid drip slowly through for over an hour.

When we finally tasted the result, it was one of those moments you don’t forget.

The flavour was balanced, surprising and completely different from anything we had made before. That was the moment I realised we might actually have something strong enough to build a bar around.

And that is exactly what we did.

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