How do I make an espresso?

Making espresso is less about following a rigid recipe and more about managing the solubility of the coffee bean. At its core, espresso is a high-pressure extraction method designed to concentrate the volatile aromatics and oils that define a specific origin. When you pull a shot, you are essentially navigating a timeline of extraction: acids and salts dissolve first, followed by sugars, and finally, the heavier, bitter plant fibers. The producer’s work—the altitude, processing method, and drying—dictates how these compounds are structured within the bean. A light-roast, high-altitude Ethiopian coffee, for instance, requires a different approach than a dense, natural-process Brazilian bean. A common misconception is that the 'perfect' shot is a static target. In reality, 'dialing in' is the process of adjusting your grind size to find the sweet spot where the coffee’s natural sweetness is maximized before the onset of astringency. If your shot is sour, you are likely under-extracting; if it is dry or hollow, you have pushed the extraction too far. By focusing on the ratio of dry coffee to liquid yield, you honor the producer’s labor by ensuring the cup reflects the terroir rather than just the machine's settings. Precision in your dose and grind consistency is the only way to ensure that the final beverage is a faithful representation of the farm's output.