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Blackberry Dust

Limited EditionDak's FavouriteJuicySweet

Blackberry Dust is a late-harvest natural Ethiopian coffee from the Buku Abel washing station in Guji, which arrived in Europe just a few weeks ago. Around 400 smallholder farmers contribute to the station, growing heirloom varieties at elevations between 1,900 and 2,100 masl. The cup is fruity and sweet, with notes of blackberry, wild strawberry and blueberry yoghurt, followed by a soft, creamy finish.


Origin Ethiopia
Region Guji
Producer / Farm Produced by Buku Abel Washing Station
Harvest 2026
Tasting notes Blackberry, Wild Strawberry, Blueberry Yoghurt
Altitude 2000masl
Varietal Heirloom
Process Natural
Intervention Level Low

Weight
Roast Profile

All coffees are sold as whole beans. Filter and Espresso refer to roast profile.

For important shipping information, please visit our Shipping & Returns page for detailed information and policies.

From Origin to Cup

Blackberry Dust comes from Buku Abel Washing Station in Guji, Ethiopia, and works with around 400 smallholder farmers growing coffee at elevations between 1,900 and 2,100 metres. Most farmers cultivate small plots of 0.5 to 2 hectares, often growing coffee alongside food crops and other trees. This lot is naturally processed, with ripe cherries carefully sorted and dried on raised beds to develop the sweetness and fruity characteristics we love in Ethiopian coffees.

Origin

Located in the Guji region of southern Ethiopia, Buku Abel brings together coffee from hundreds of smallholder farmers in the surrounding area. Coffee is an important part of everyday life here, with many families growing it on small plots alongside crops for their own consumption. The washing station plays an important role in bringing these harvests together and processing the cherries into distinct, high-quality lots.

Varietal

Ethiopian heirloom is a broad term used to describe the many indigenous coffee varieties found across Ethiopia. Rather than referring to one specific variety, it covers a diverse range of locally grown coffee trees, many of which have been cultivated for generations. These varieties are particularly appreciated for their complex flavour profiles, often bringing floral, fruity and sweet characteristics to the cup.

Processing

The coffee cherries are handpicked by smallholder farmers around Guji and delivered to Buku Abel, where they are sorted on the same day. The whole cherries are then spread across raised drying beds and regularly turned to encourage even drying. They remain there until reaching the desired moisture content, allowing the coffee to develop its natural sweetness and fruity character.

Intervention level

Low. This coffee undergoes a traditional natural process, with the whole cherries dried on raised beds. Workers carefully monitor the drying conditions and regularly turn the cherries to ensure consistency. No additional fermentation techniques are introduced, allowing the coffee's natural characteristics to develop through the drying process.

Blackberry
Wild Strawberry
Blueberry Yoghurt

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THE DAK BREW GUIDE

These are the recipes we use every day at the roastery and showroom. We keep them simple on purpose: water, ratio, grind size. The coffee does most of the work when the basics are right. Every setup is different, so treat these as a starting point. Adjust based on what you're tasting and what your equipment gives you.

General

For most grinders and most bars. Balanced, works black and with milk.

• Ratio: 1:2.5
• Dose: 18 g
• Yield: 45 g
• Brew time: 25 seconds
• Pressure: 9 bars
• Temperature: 93°C

For our roast level 1:2.5 ratio fully extracts, balances and opens the cup without thinning it compared to the classic 1:2.

Modern

Longer ratio, lower pressure, shorter contact. More clarity and acidity.

• Ratio: 1:3
• Dose: 18 g
• Yield: 54 g
• Brew time: 20 seconds
• Pressure: 6 bars
• Temperature: 93°C

A note on equipment: 1:3 relies on a flat burr set capable of a very even grind.
On an E65, E80 or Mythos this ratio often tastes watery. If that happens, pull back to 1:2.5.

Advanced (pressure profiled)
For machines with flow or pressure control. This is the showroom recipe.

• Ratio: 1:3
• Dose: 18 g
• Yield: 54 g
• Total brew time: 40 seconds to 1:20 total
• Pre-infusion at 2 bars (about 1 to 2 g/sec flow rate) until 1g in the cup, 20 to 40 seconds
• Main extraction: 6 bars until 18g yield. (about 5 to 6 g/sec flow rate)
• Post-infusion: 2 bars (about 1 to 2 g/sec flow rate) until 54g final yield
• Temperature 93°C

Washed

• Ratio: 1:16.6
• Dose: 15 g
• Water: 250 g
• Brew time: 2:30 minutes to 3 minutes
• Temperature: 95°C

Poring structure

Start your timer with the first pour. The weights below are the total water added.

• 0:00 pour to 50g (8 g/sec, medium)
• 0:30 pour to 100g (8 g/sec, medium)
• 1:00 pour to 250g (3 g/sec, very low)

Pouring very slowly keeps the bed open. Let the water draw down to finish the brew.

 

Natural and other fermented processes

• Ratio: 1:15
• Dose: 16.5 g
• Water: 250 g
• Brew time: 2:30 minutes to 3 minutes
• Temperature: 92°C

Poring structure

Start your timer with the first pour. The weights below are the total water added.

• 0:00 pour to 50g (8 g/sec, medium)
• 0:30 pour to 120g (8 g/sec, medium)
• 1:00 pour to 190g (3 g/sec, very low)
• 1:30 pour to 250g (3 g/sec, very low)

Pouring very slowly keeps the bed open. Let the water draw down to finish the brew.

Water is 98% of your cup, so it changes everything. Mineral content varies between cities, neighbourhoods, and even seasons depending on which reservoir is supplying the tap. If your water is hard (above 150ppm), switch to a soft bottled water around 50ppm. Too soft is always better than too hard. The difference in the cup is immediate.

Ethiopian coffees
Ethiopian beans are more brittle and produce more fines when grinding. Too much agitation during brewing pushes those fines into the filter and slows everything down. Keep agitation low. If the cup still tastes over-extracted or the drawdown stalls, grind coarser and extend the ratio or brew time slightly to compensate.

The look of a shot
Naked portafilters show you what’s happening, but what you see has no reliable connection to what you’ll taste. A messy-looking shot can taste clean, and a photogenic one can taste flat. Taste every shot, even the ones outside your parameters, and adjust from there.

Crema
Crema is gas escaping coffee under pressure. It carries very few desirable flavour compounds and can actually taste harsh. Removing it will almost always improve the cup. With light roast espresso especially, ignore the crema and focus on what’s in the liquid.

Freezing coffee
Freezing keeps coffee at peak flavour, but roasted coffee can’t be thawed and refrozen without losing quality. Vacuum-seal in single doses before freezing. When you’re ready to brew, grind it frozen. Don’t let it thaw first. Every grinder handles frozen beans without issue, and the results are often better. One dose out, the rest stays sealed.

Long ratio (for harder extraction)
For when extraction is more difficult: hard or heavily filtered water, a grinder past its best, or a dense lot.

1:18 ratio. 14g in, 250g out. 2:30 to 3:00. 97°C.
• 0:00 pour to 45g
• 0:30 pour to 90g
• 1:00 pour to 250g

1:20 ratio. 12.5g in, 250g out. 2:15 to 2:45. 97°C.
• 0:00 pour to 40g
• 0:30 pour to 80g
• 1:00 pour to 250g

Adjusting

• If the cup tastes thin, dry or harsh: raise the dose. Move from 15g to 16 or 16.5g at the same 250g yield.
• If espresso tastes watery at 1:3: shorten to 1:2.5 before touching the grind.
• Water: very low or very high TDS shifts everything. Check the water before changing the recipe. If the water cannot be changed, go to the long ratio recipes.