What are the main ingredients in espresso?

Espresso is a concentrated form of coffee that is typically made with finely-ground coffee beans and hot water. The main ingredients in espresso are:

* Coffee beans: Espresso is typically made with Arabica coffee beans, which are known for their smooth flavor and high acidity.

* Hot water: The water used to make espresso is typically heated to a temperature of around 90 degrees Celsius (195 degrees Fahrenheit).

* Grind size: The coffee beans used to make espresso are typically ground to a very fine consistency. This helps to create a more concentrated flavor and a thicker crema.

* Pressure: Espresso is made by forcing hot water through the finely-ground coffee beans at a high pressure. This pressure helps to extract the flavor and caffeine from the coffee beans.

In addition to these main ingredients, some espresso drinks may also include milk, sugar, or other flavorings.