What is the main method to prepare a Mint Julep?

The primary method for preparing a Mint Julep is muddling. This technique involves gently crushing the mint leaves with sugar and a small amount of water in the bottom of a glass. Muddling releases the essential oils from the mint, which is crucial for the cocktail's flavor profile. The combination of mint, sugar, and water creates a fresh and aromatic base, which is then complemented by the addition of crushed ice and bourbon.

While shaking and stirring also have their places in cocktail preparation, they do not provide the same intimate interaction with the mint that muddling does. Layering is not applicable here, as it refers to creating distinct layers of different liquids in a glass, which is not part of the Mint Julep-making process. By focusing on muddling, the bartender ensures that the signature minty taste is fully developed, leading to a refreshing drink that embodies the essence of this classic Southern cocktail.