Coffee Blog — 20 Articles
The expertcafe.be blog: tasting analyses, origin explorations, reflections on coffee culture in Belgium and Europe. 19 original articles, in five languages, written for the informed enthusiast. A free editorial space, somewhere between a personal notebook and a long-form investigation.
-
Why some of the best baristas keep their coffee in the freezer
The advice you grew up with, never freeze your coffee, was aimed at the wrong villain. A 2016 study in Scientific Reports showed that colder beans grind into smaller and more uniform particles, which helps the cup extract evenly, and the cold slows staling dramatically. The real enemy was never the cold but moisture. How the technique went from kitchen taboo to competition habit, plus the clean home protocol.
-
How the world's most TikTok-famous nut ended up in your espresso bar
In 2021, a small Dubai chocolatier launched a pistachio-and-kadayif bar that quietly sold inside the United Arab Emirates. A TikTok creator made it viral in 2024. By January 6, 2026, Starbucks had built four pistachio drinks around the same flavour idea and committed to keeping pistachio on the menu year-round. Inside the swavory trend, the supply chain that supports it and the specialty café response.
-
The 90.5-point F1 hybrid: how coffee's next genetic wave is being built in Central America
In 2017 a previously unknown variety called Centroamericano scored 90.50 at a Cup of Excellence in Nicaragua, the first F1 hybrid ever to place in the competition. Behind that single number sits a decade of work by World Coffee Research, CIRAD and the European BREEDCAFS consortium to rebuild arabica's narrow gene pool. Starmaya, Centroamericano, Evaluna and Mundo Maya now deliver 22 to 47 percent higher yields. A field report.
-
Brazil's 2026/27 coffee harvest is set to break every record. Your specialty bag still won't get cheaper.
Conab projects 66.2 million bags for Brazil's 2026/27 crop — an all-time record, 3.1 million bags above the 2020/21 peak. Marex, StoneX and Hedgepoint model 75.3 to 75.9 million. ICE arabica dropped to 266.90¢/lb on 15 May 2026. And yet the Specialty Coffee Retail Price Index rose 3.9% in Q1 2026. A clear-headed explanation of why two markets, sharing the same green bean, never move together.
-
Co-fermented coffees: Colombia's fruit-bomb revolution dividing specialty roasters in 2026
A filter cup that tastes unmistakably of peach is not an accident in 2026. Colombian producers in Huila, Quindío and Nariño are pivoting from washed to co-fermentation — adding mosto, fruit pulp and inoculated yeasts. Microlots fetch 25–50 USD/lb. Perfect Daily Grind has run four pieces in 2026. Specialty roasters are split. A field report.
-
Home Barista Workflow : the Complete Espresso Sequence That Actually Makes a Difference
Most home baristas focus on equipment. The real difference is in the sequence — ten steps executed in the same order every time. From warm-up to sensory evaluation, the complete workflow that transforms an inconsistent machine into a reliable instrument.
-
Espresso Accessories 2026 : Puck Screen, Dosing Funnel and Precision Basket — What Actually Changes
The espresso accessories market has exploded. Puck screen, dosing funnel, VST basket, WDT tool — an honest, impact-ranked breakdown of what genuinely improves your extraction and what is expensive habit-forming with no effect on the cup.
-
Specialty Coffee Guide Brussels 2026 : neighbourhoods, roasters and where to drink the best coffee
Brussels has quietly built one of the most compelling specialty coffee scenes in north-western Europe. The Ixelles–Saint-Gilles axis concentrates the quality, and roasters like Mok (founded 2012), Bocca Coffee and Café Capitale work directly with producers across three continents. A field guide.
-
Bypass Brewing in Filter Coffee: How Routing Some Water Around the Bed Changes Everything
Route part of the water directly to the server, never through the coffee. The extract is concentrated, the bypass water dilutes it. For the first time, extraction yield and brew strength become two separate levers — and bright, light-roasted washed coffees benefit most.
-
Functional Coffee with Mushrooms and Adaptogens: What Does the Science Actually Say?
Lion's mane, chaga, reishi, cordyceps — mushroom coffee is everywhere. The science is real, but clinical doses (3 g/day for lion's mane) are 6–60× higher than what most products deliver. A clear-eyed guide to what's real and how to read a label.
-
Japanese iced coffee and flash brew: the pour-over on ice method explained
Flash brew: hot water (92–94°C) poured directly over ice. 60% hot water, 40% ice, ready in 4 minutes. Fruity and floral aromatics preserved — the complete guide with ratios, technique, and which coffees to use.
-
The EU Deforestation Regulation and coffee: a buyer's guide to EUDR 2026
EU Regulation 2023/1115 requires GPS parcel-level traceability for every coffee lot entering Europe after 31 December 2020. Deadline: 30 December 2026 for large operators, 30 June 2027 for SMEs. What it means for importers, roasters, and conscious buyers.
-
Pressure profiling & pre-infusion in espresso: the complete guide
Pre-infusion at 1–3 bar, ramp to 9 bar, declining pressure profile: how pressure control transforms extraction, prevents channeling, and unlocks the full potential of light specialty roasts. Machines, technique and science explained.
-
The WDT tool: what the Weiss Distribution Technique actually does to your espresso
John Weiss, a forum poster in the early 2000s, suggested stirring espresso grounds with fine needles before tamping. Twenty years later, the WDT tool is the most cost-effective upgrade in home espresso. Why it works, how to use it, what to buy.
-
Espresso dialing-in: the complete home barista guide (2026 standards)
Dialing in turns a brand-new bag of coffee and a brand-new machine into something you actually want to drink. Ratio 1:2, 25-30 second extraction, 9 bars, SCA yield 18-22%. Grind as the primary lever. The long-form narrative guide.
-
The Asian specialty coffee boom: how Indonesia became a centre of gravity in 2026
Indonesia is now the world's fifth-largest coffee consumer (USDA data, March 2026), and Jakarta hosted the first World of Coffee ever staged in a producing country in May 2025. The long-form story of the shift, and what it means for European specialty drinkers.
-
Specialty Coffee in Leuven 2026: MOK, Replica, Noir and the Pioneer Scene
MOK (Diestsestraat 165, founded 2012 by Jens Crabbé), Noir Coffeebar (Naamsestraat 49, Tāne Roasters Collective, trained by Joanna Alm) and Replica Roasters (Herent). The most mature specialty ecosystem in Flanders, born in a university city.
-
Specialty Coffee in Bruges 2026: Cafuné and Finding Quality in a Tourist City
Cafuné (Academiestraat 8, micro-roastery since 2018, Handmade in Bruges, Kalita Wave, 4.6/5 Tripadvisor). How specialty coffee survives and thrives in Belgium's most touristic city.
-
Antwerp: the World's Largest Green Coffee Hub — 250,000 Tonnes, LIFFE and ICE
The port of Antwerp holds over 250,000 metric tonnes of green coffee at all times — the world's largest stockpile. Molenbergnatie, Vollers, Pacorini, Katoen Natie, dual LIFFE/ICE certification. Anatomy of an invisible giant.
-
Specialty Coffee in Brabant Wallon 2026: Kahwatea, La p'tite Cerise, Naga Coffee, La Baie
Kahwatea (Passage de l'Ergot 34, LLN, founded by Chaimae Taybi), La p'tite Cerise (87 Ave de Mérode, Rixensart), Naga Coffee (Southeast Asian specialty), La Baie Coffee (Waterloo). Brabant Wallon has its own specialty scene.
-
Specialty Coffee in Liège 2026: Charles Liégeois, Grand Maison, L'Artisan, Mur Coffee
Charles Liégeois (Thimister, 1955, Fairtrade+Organic), L'Artisan du Café (Verlaine, guided tours), Grand Maison (37 Quai de la Goffe, OR Coffee), Mur Coffee & Cycling (Huy, La Flèche Wallonne). Liège's specialty scene in 2026.
-
World of Coffee Brussels 2026: Complete Guide (June 25-27, Brussels Expo)
450+ exhibitors, 2 Roaster Villages, 3 world championships (WBrC, WCRC, WCIGS), Producer Village — a European first. Everything you need to know about the world's largest coffee event in Brussels, June 25-27, 2026.
-
Home Coffee Cupping: A Simplified SCA Protocol Anyone Can Follow
8.25 g of coffee, 150 ml at 93 °C, four minutes, three strokes to break the crust — the SCA cupping protocol made accessible for home brewers.
-
Coffee TDS & Extraction Yield: What the Numbers Actually Tell You
SCA Golden Cup: 1.15–1.35% TDS, 18–22% extraction yield. Here's what these figures really mean — and why your refractometer is the most honest tool in your kit.
-
Washed, Natural, Honey: How the Cherry Changes Everything
From the clean brightness of a Kenyan washed to the jammy depth of an Ethiopian natural — processing isn't a detail, it's the story of the cup.
-
Anaerobic Fermentations: A Silent Revolution in Coffee
Anaerobic fermentations are quietly rewriting how specialty coffee tastes. From sealed tanks to carbonic maceration, a new creative dimension is emerging.
-
Arabica vs Robusta: Does the Variety War Still Make Sense in 2026?
The arabica-good, robusta-bad hierarchy was built by industrial marketing, not science. In 2026, specialty robusta and climate change are rewriting the story.
-
Why Belgium Is Europe's Next Great Coffee Scene
From MOK to Caffènation, Or Noir to Normo, Belgium has been quietly building one of Europe's most coherent specialty coffee ecosystems. Here's what makes it different.
-
Have Coffee Competitions Transformed the Market — or Just the Menus?
A critical look at the WBC/WCE circuit: what coffee championships have genuinely changed — techniques, trends, recipes — and what remains stubbornly fixed: access, price, the closed loop.
-
The Coffee Grinder: The Investment Everyone Keeps Postponing
A good coffee grinder changes your cup more than any machine. Yet it is the one purchase everyone keeps postponing. Here is why that is a mistake — and how to fix it.
-
Coffee and Wine: What Two Worlds Can Teach Each Other
I run wine bars and I'm deep into specialty coffee. These two worlds share a common grammar — and they still have a lot to learn from each other.
-
Why Cold Brew Deserves to Be Taken Seriously — Even in Belgium
A country famous for hot café culture might seem like the wrong place for cold brew. The chemistry says otherwise. Here is the case for taking it seriously.
-
What Cupping Taught Me About My Own Way of Tasting
Cupping is not just a professional evaluation protocol. It is a mirror. What I discovered about my own sensory biases — and blind spots — through years of practice.
-
Direct Trade: The Ideal and the Reality — 3 Hard Questions
Direct trade sounds like the answer to everything wrong with coffee supply chains. But is it really? Three honest questions about transparency, prices paid, and producer power.
-
Geisha: The Origin Story of a Global Obsession at €10,000 a Kilo
From an Ethiopian forest to a Panamanian hillside to auction records near $10,000/kg. The true story of how the Geisha variety rewrote coffee history.
-
My Ideal €300 Coffee Setup — And Why I Changed My Mind Twice
€300 is the budget where coffee trade-offs get real. Grinder or machine first? Filter or espresso? Here's how I navigated it — and why I changed my mind twice.
-
Learning to Read the SCA Flavor Wheel — A Curator's Notebook
The SCA Coffee Taster's Flavor Wheel hangs in every specialty shop — but few people know how to actually use it. Here is what I learned from months of trying.
-
Is Light Roast a Trend or a Permanent Revolution?
Light roast has dominated specialty coffee for two decades. Is it a passing aesthetic, or has it permanently changed what coffee can be? An honest assessment.
-
Q Grader: What 22 Exams in 4 Days Taught Me About Taste
First-person account of sitting the Q Grader certification: 22 sensory exams across 4 gruelling days that permanently reshape how you listen to a cup of coffee.
-
Specialty vs Commercial: What Your Coffee Label Isn't Telling You
The word 'specialty' appears on supermarket bags and premium capsules alike. Here is what it actually means — and what your coffee label is quietly leaving out.
-
Water: The One Coffee Ingredient Everyone Ignores
Water makes up 98% of your cup of coffee. Yet most enthusiasts obsess over beans and ignore the liquid they brew with. Here's what the science actually says.
-
What Coffee for My Moka Pot? The Most Asked Question, Finally Answered
Grind size, roast level, dose, heat — a curious deep-dive into everything that makes or breaks a moka pot brew, from someone who has made every mistake.
-
Yirgacheffe vs Guji: Two Ethiopian Terroirs, One Myth to Unpack
Yirgacheffe and Guji share a country and a reputation — but not a flavour profile. A field guide to understanding what separates Ethiopia's two most famous coffee regions.