Brewing Regular Ground Coffee in an Espresso Machine: Guide and Tips

Espresso machines are typically designed for finely ground coffee, but can they be used for regular coffee grounds? This article explores the feasibility, results, and adjustments needed when using an espresso machine for regular ground coffee.

Understanding the Differences in Grind Sizes

Espresso and regular coffee require different grind sizes. Espresso typically uses a very fine grind, while regular coffee uses a coarser one. Using regular coffee in an espresso machine will result in a different flavor profile and extraction time (brew time).

Grind Size and Extraction

Using regular ground coffee in an espresso machine will likely yield a weaker cup. The coarse grind will not allow for the quick pressure extraction that espresso machines are designed for, leading to under-extraction. The result is a less intense and potentially more diluted flavor.

Taste and Flavor Profile

Regular coffee ground for espresso will have a different taste profile. It may lack the rich, full-bodied flavor and crema that you get from properly brewed espresso. However, it can still be enjoyable and tasty, just with a different character.

Adjusting Machine Settings for Regular Coffee

While using regular ground coffee, you may need to adjust your espresso machine's settings to achieve a better extraction. Feel free to experiment with different grind sizes and brewing times to find the perfect balance for your taste preferences.

Using a Finer Grind

To start, try using a finer grind than you would for regular brewing methods. Adjust the grind size based on your taste and extract until you achieve the desired strength and flavor.

Why Using Regular Ground Coffee Isn't Ideal

Regular ground coffee is not as finely ground as espresso grade coffee. It is usually coarser, which affects the extraction process and the final taste. The espresso machine's design is optimized for fine grind coffee, and using regular coffee can compromise the quality of the final product.

Resources for High-Quality Espresso Grind

For the best results, it's recommended to use coffee specifically ground for espresso. Here are some key resources for ensuring you have the best coffee grind for your espresso machine:

Grinder

Invest in a good conical grinder. For example, a Mazzer grinder is highly recommended. A fine grind is crucial for proper extraction.

Beans

Use beans from a reliable, skilled local roaster. Ideally, the beans should not be older than 10 days since roasting. Grind the beans immediately before use to ensure freshness.

Grinding and Tamping

Grind the beans just before use, no more than 10 minutes prior to brewing. Proper tamping is also essential. Aim for 15 kg (about 30 lb) of pressure when packing the coffee into the basket.

Example Extraction Process

To make an excellent espresso shot, follow these steps:

Use an E61 head espresso machine, such as a Vibiemme or Domobar model. Adjust the grind size to calibrate with the machine. Pack and tamp the coffee into the basket properly. Run the machine to build pressure before engaging the pump head. Start the pump run immediately once the head is engaged. Extract a short double shot of about 25 ml. A Ristretto shot can be made by reducing the extraction time.

These adjustments will help you replicate the rich, full-bodied flavor and crema of true espresso, even when using regular ground coffee.