Final answer:
The fifth key element in espresso making is Measurement. Measuring the amount of water and coffee accurately helps to determine the strength and taste of the espresso. Precision in measurement is essential for achieving the desired balance and flavor in the final cup of coffee.
Step-by-step explanation:
The fifth key element in addition to the Four Ms of Espresso is Measurement. In order to make a good cup of espresso, it is important to measure the amount of water and coffee accurately. For example, a coffee maker's instructions may specify filling the coffee pot with 4 cups of water and using 3 scoops of coffee. This measurement ensures the right balance of flavors in the final drink.
In the context of coffee, measurement is crucial because it helps control the strength and taste of the espresso. By accurately measuring the ingredients, one can achieve the desired level of sweetness, bitterness, and overall balance in the coffee. Whether it's a professional barista or a regular coffee enthusiast, precise measurement plays a key role in the art of making espresso.