Lever espresso machines are a testament to the craftsmanship and simplicity in espresso brewing. These manual machines offer a hands-on approach, allowing baristas to fully control the brewing process. Lever espresso is known for its rich, full-bodied flavor and a creamy, velvety texture. However, mastering the lever requires a delicate touch and a precise understanding of water temperature and grind size. This guide will walk you through the essential steps and parameters to achieve the perfect lever espresso.
Overview & Background
Lever espresso machines, such as those made by La Marzocco and Slayer, use a handle to control the tamping and brewing process. Unlike pump-driven machines, they rely on manual pressure and timing. This method not only adds a unique character to the espresso but also requires a barista to develop a consistent and repeatable technique.
Key Brewing Parameters / Specs
- Water Temperature: 92°C - 96°C (197°F - 205°F)
- Dose of Coffee: 18-20 grams
- Grind Size: Fine, similar to table salt consistency
- Extraction Time: 25-30 seconds
- Pressure: 9-10 bar
Step-by-Step Guide
- Preheat Your Portafilter: Run hot water through the portafilter to heat the group head and ensure even extraction.
- Grind Your Coffee: Use a burr grinder to grind your coffee beans to a fine consistency. Aim for a grind size similar to table salt.
- Dose the Coffee: Add 18-20 grams of coffee into the portafilter.
- Tamp the Coffee: Use a tamper to compress the coffee evenly. Apply around 30 pounds of pressure to create a flat, even surface.
- Pull the Shot: Position the portafilter over the group head. Start the lever with a quick, sharp pull. Maintain the pressure for 25-30 seconds, aiming for a total of 45-50 grams of espresso.
Pro Tips & Common Mistakes
- Consistency is Key: Ensure that your grind size, dose, and tamping pressure are consistent for every shot.
- Watch the Extraction Time: Over-extracting can lead to bitter, sour flavors, while under-extracting can result in watery, weak espresso.
- Avoid Over-Pulling: The lever should not be pulled too far back, as this can cause a loss of pressure and affect the quality of the shot.
Gear worth owning
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