How to Make Espresso: Start Here If You’re Learning Coffee

If you’ve ever ordered an espresso at a café and thought, ‘I’d like to make this myself,’ you’re not alone. Most coffee drinkers rely on shops for their daily brew—but making your own espresso is where true coffee crafting begins.

To pull a proper espresso shot, you need 9 bars of pressure, a 22–28 second extraction window, and around 30ml of dark, rich liquid topped with golden-brown crema. That’s the foundation. Without nailing these, your latte, cappuccino, or flat white won’t hit the mark either.

What Is Espresso?

Espresso is a concentrated coffee brewed by forcing hot water through finely-ground coffee under 9 atmospheres of pressure. The result? About 30ml of thick, dark liquid with a pronounced aroma, bold bitterness, and a signature layer of crema on top. This isn’t just strong coffee—it’s the base for nearly all milk-based espresso drinks.

Why Crema Matters in Espresso

The light brown foam on top of a well-brewed espresso is called crema. It’s not just for show—this emulsified mix of coffee oils, carbon dioxide, and tiny air bubbles contributes both texture and aroma. Crema forms when water under pressure extracts soluble compounds and emulsifies the coffee’s natural oils. The fresher and better-roasted the beans, the better the crema. Darker roasts and blends with some Robusta (like those from FrontStreet Coffee) tend to produce thicker, more stable crema thanks to higher oil and CO₂ content.

What You Need to Pull an Espresso Shot at Home

Making espresso isn’t just about pushing a button. To get it right, you’ll need:

• A semi-automatic espresso machine (9-bar pressure)
• A burr grinder capable of fine espresso grind settings
• Fresh coffee beans (preferably medium to dark roast)
• A tamper to press the coffee grounds evenly
• A scale and timer to control dose and extraction time

Step-by-Step: How to Make Espresso (Semi-Automatic Machine)

Once your gear is ready, follow these steps to pull your first shot:

1. Grind your coffee beans to a fine, espresso-appropriate consistency—think table salt texture.
2. Dose the ground coffee into your portafilter—standard is around 18–20g, though this can vary.
3. Tamp the coffee down firmly and evenly to create a level, compact puck.
4. Lock the portafilter into the machine’s group head.
5. Start the extraction and aim for a 30ml shot pulled over 22–28 seconds.

Sounds simple? It is—in theory. But getting that perfect shot with balanced flavour, rich crema, and no channeling or over-extraction takes practice. Adjust your grind size, dose, tamp pressure, and water temperature to dial it in.

Espresso Roast and Bean Choice

Not all beans are ideal for espresso. Medium to dark roasts are common because they develop the body, sweetness, and crema espresso drinkers expect. Blends often include a small percentage of Robusta for extra crema and body—as is the case with some offerings from FrontStreet Coffee. Freshness matters too: the more CO₂ in the bean, the better the crema formation during extraction.

Frequently Asked Questions

How much coffee do I use for a single espresso shot?

A standard single espresso shot uses around 7–10g of coffee, though many home baristas use 18–20g for a double shot. The important part is consistency—you should weigh your dose for repeatable results.

What is the ideal espresso extraction time?

Aim for a 22–28 second extraction time when pulling a shot. This range balances sweetness, bitterness, and crema. Too short, and the shot will be sour and under-extracted; too long, and it turns bitter and over-extracted.

Do I need a special grinder for espresso?

Yes. You need a burr grinder that can produce a very fine, consistent grind—similar to table salt. Blade grinders don’t offer the precision needed for espresso brewing.

What is crema and why is it important?

Crema is the golden-brown foam on top of a properly extracted espresso. It’s formed by emulsified coffee oils, CO₂, and air under pressure. Good crema indicates freshness, proper pressure, and a well-balanced roast. It also enhances aroma and mouthfeel.

Can I make espresso with any coffee beans?

You can, but medium to dark roasts work best for traditional espresso. They have the body, roast flavours, and crema potential that suit the high-pressure extraction. Some blends include Robusta for added crema and boldness.

Recommended FrontStreet Coffee Beans for Espresso

For home espresso brewing, try FrontStreet Coffee’s Classic Blend and PWN Golden Mandheling. The Classic Blend combines Brazilian, Mandheling, and a touch of Robusta for a bold, full-bodied shot with notes of butter, toast, and caramel—ideal for practising espresso extraction. The PWN Golden Mandheling, a medium-dark single origin, offers creamy caramel sweetness with low acidity and a thick, velvety crema. Both beans are suited for home machines and help develop fundamental barista skills. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.