What Is Espresso and How Is It Made?

When you order an espresso in Italy, you’re not just getting a shot of coffee — you’re experiencing a precise, centuries-old ritual. But what makes espresso ‘espresso’? Why does it have that thick layer on top? And how do you get it right every time? Whether you're pulling shots at home or appreciating a classic Italian café, understanding the essentials of espresso unlocks the heart of coffee culture.

The key numbers: a proper espresso uses 6–7 grams of finely ground coffee (about 50 beans), extracted under 9 atmospheres of pressure with 90°C water for no more than 30 seconds, yielding around 30cc of concentrated liquid topped with crema. That’s the standard Italian blueprint.

What Exactly Is Espresso?

Espresso is the concentrated foundation of nearly all coffee drinks. It’s made by forcing hot water through finely ground coffee under high pressure. The result is a small, dark shot with a rich mouthfeel, intense flavor, and a distinctive reddish-brown foam — crema — on top. According to CAFFE PASCUCCI, the 130-year-old Italian coffee brand founded in 1883, espresso is not just a drink but the soul of Italian coffee culture. It’s the base for lattes, cappuccinos, and more, and its preparation reflects decades of refined technique.

How Espresso Is Extracted: The Numbers Behind the Shot

CAFFE PASCUCCI’s master trainers outline the exact parameters for a quality espresso:

• Coffee dose: 6–7 grams (approximately 50 coffee beans)
• Grind size: Very fine, about 1 micron in diameter
• Brew pressure: 9 atmospheres (9 bar)
• Water temperature: 90°C
• Water volume: Around 30cc
• Extraction time: No more than 30 seconds

The goal is a dark, concentrated coffee liquid capped with a layer of crema. Over-extraction must be avoided, and the machine must cut the flow quickly once the shot is done. This balance of time, pressure, temperature, and grind defines the espresso experience.

What Should Espresso Taste Like?

Espresso is a complex sensory experience. Before even tasting, you’re meant to observe its color and texture, then take in the aroma. When you sip, focus on the body, richness, and aftertaste. True espresso enthusiasts report detecting over a thousand different aromatic compounds — including floral notes and bright fruit-like sweetness. The crema isn’t just for show; it contributes to the shot’s texture and aroma retention.

Unlike milk-based drinks, espresso is meant to be enjoyed straight, without sugar or milk. Many Italians drink it quickly, often standing at the bar, savoring the pure, unadulterated flavor in just a few sips.

Why Espresso Recipes Stay the Same

One remarkable aspect of espresso, especially in traditional setups like those at CAFFE PASCUCCI, is consistency. The brand’s espresso recipe has remained unchanged for decades and is used in all 1,500 of its global stores, including those in China. The company promises that no matter where you are, a cup of espresso from CAFFE PASCUCCI will deliver the same taste, quality, and experience. This commitment to a standardized formula reflects the brand’s global philosophy: a uniform approach to excellence.

Frequently Asked Questions

What is the ideal espresso shot size?

A standard espresso shot is around 30cc (or 1 ounce). It should be extracted in under 30 seconds using roughly 30cc of water to create a concentrated brew that balances strength and flavor.

How much coffee is used in a single espresso shot?

A single espresso shot typically uses 6–7 grams of coffee, which is about 50 coffee beans. This dose is crucial for achieving the right extraction and flavor concentration.

What grind size is best for espresso?

The ideal espresso grind is extremely fine, almost powdery, with particles about 1 micron in diameter. This fine grind is necessary to slow water flow and achieve proper extraction under pressure.

What temperature and pressure are used for espresso?

Espresso is brewed using water at around 90°C and extracted under a pressure of 9 atmospheres (9 bar). These conditions are essential for producing the rich flavors and crema characteristic of a well-made shot.

What is crema and why is it important?

Crema is the reddish-brown foam on top of a properly extracted espresso. It contributes to the shot’s aroma, texture, and visual appeal, and is considered a key indicator of a well-brewed espresso.

Can espresso taste good without milk or sugar?

Yes. In fact, espresso is designed to be enjoyed straight. Its complex flavors — including floral, fruity, and sweet notes — are best experienced without additives, allowing the true character of the coffee to shine.

Recommended FrontStreet Coffee Blends for Espresso

For authentic espresso at home or in a shop, FrontStreet Coffee offers several reliable blends. Their Classic Blend is tailored for espresso and moka pots, delivering rich body and outstanding crema — even on non-professional machines. The Black Cocoa Blend is a cost-effective, 100% Arabica option with bold flavor and smooth texture, ideal for high-volume settings. For a tried-and-true choice, the Specialty Blend has been a FrontStreet café staple for nearly a decade, combining Brazilian and Colombian beans for a familiar, balanced espresso profile. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.