Dialling in espresso guide and free template.

This article has been written by Pilla Founder, Liam Jones, click to email Liam directly, he reads every email.

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The full dialling in process on an espresso machine

1️⃣ Grind Adjustment: Begin by finding the ideal grind size that allows water to flow smoothly through the coffee grounds while extracting the right amount of flavour. A finer grind increases extraction, while a coarser coffee grinds decreases it.

2️⃣ Dosing: Measure the coffee grounds accurately. Use 7 grams for a single shot or 18-21 grams for a full double shot, which is typically used for a 'double espresso'. This dose is crucial for achieving the ideal espresso strength and mouthfeel, especially when aiming for the creamy consistency perfect for a cappuccino.

3️⃣ Tamping: Compress the coffee grounds evenly with consistent pressure to ensure an even extraction and prevent channeling, where water bypasses the extracted coffee.

4️⃣ Brew Ratio: Decide on your desired weight and the ratio of coffee to water. A common starting point is 1:2, but adjust according to the coffee’s roast and your taste.

5️⃣ Brew Time: Time your shots to control the extraction. Typically, a shot should take about 25-30 seconds. Alter the time to avoid under-extraction (sour) or over-extraction (bitter).

6️⃣ Taste and Adjust: After pulling the first shot, taste it and assess the balance of flavours. Adjust the grind, dose, and brew time accordingly to dial in the perfect espresso.

Perfecting your coffee grinder settings

In the world of espresso and making espresso yourself, grinder settings take center stage. Minute alterations can catapult an average cup to an extraordinary masterpiece or a regrettable misstep. The goal is to achieve a grind that balances the flow of water with the coffee’s extraction rate, aligning with the desired espresso taste. It’s a balancing act, one where your grinder settings can make or break the character and quality of your shot.

✅ Finding the sweet Spot: Adjust your grind

The perfect espresso commences by identifying the sweet spot in your espresso grind size. This calls for patience and precision. When the espresso shot tastes too aggressive or too bland, it’s a signal to adjust your grind and dose accordingly, fine-tuning to achieve the right balance of flavours.

Minor modifications to the grind setting play a key role. They facilitate the preservation of the desired brew time and augment the extraction of espresso. To achieve this, it’s essential to grind finer when necessary.

✅ The role of coffee grounds consistency

Consistency in coffee grounds is not just a preference but a prerequisite for exceptional espresso. Uniformly sized particles dictate the water’s journey through the coffee puck, ensuring an even extraction and an espresso that has balanced flavours. Techniques such as using a paper filter at the bottom of the portafilter filter basket can help in achieving this consistency.

Remember, the grind’s consistency isn’t just about taste; it’s about creating a reliable foundation for every shot you pull.

Nailing the coffee dose

Whether it’s the classic 7 grams for a single espresso or the 18 to 21 grams often used for a robust double, the weight of your coffee dose is a critical variable that influences everything from taste to texture. Consulting with coffee roasters can be invaluable in selecting the right coffee beans for different types of espresso drinks, as the choice of beans, including their roast profile, significantly impacts the dosing and the overall quality of the espresso.

✅ The impact of dose weight on espresso taste

A dose too heavy or light can throw off the balance, leading to you tasting an espresso that’s under-extracted or over-extracted, a far cry from the ideal shot. An improperly dosed espresso can taste sour, highlighting the importance of precise dosing to avoid sour-tasting espresso shots. Precision is key, and that’s where sensitive scales come into play, allowing baristas to weigh doses down to the nearest 0.1 gram for a taste that’s consistent and true to the coffee’s character.

✅ Tamping the coffee bed

A well-tamped coffee bed means evenly distributing and compacting the ground coffee to prevent the dreaded channeling. The right tamping pressure is crucial for creating a level and dry tamped coffee bed, which is essential for even water distribution and preventing channeling. Channeling occurs when an indentation on the tamped coffee bed allows water to escape too quickly, affecting the espresso results.

And while consistency in tamping is essential, overdoing it can lead to an over-extracted shot, leaving a bitter taste that overshadows the coffee’s true potential.

The brew ratio and time settings

While a 1:2 ratio is a common starting point for espresso machines, the beauty of espresso lies in the flexibility to adjust this ratio to suit the coffee’s roast, origin, and your own taste preferences.

It’s the delicate interplay between the weight of ground coffee and the weight of the extracted espresso that determines the shot’s strength and complexity, inviting you to experiment and find your own rhythm.

✅ Timing is everything: Dialling the brew time

The brew time is a critical component in the espresso dialling in process, serving as the measure of how long water is in contact with the coffee grounds. This period is crucial because it determines the extent of the extraction of flavours from the coffee.

A shorter brew time can lead to a shot that's sour and underdeveloped, while a longer one might extract unwanted bitter compounds, resulting in an overbearing taste. The art lies in finding that precise moment when the espresso reveals its full spectrum of flavors, with a body that's neither too heavy nor too light, and a complexity that reflects the coffee's origin and roast profile. It's a nuanced calibration of coffee equipment, requiring attention and responsiveness to subtle cues, to achieve an espresso that resonates with clarity and balance.