• STEP 5 OF 5 - BREWING
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The last decision is yours

Everything up to this point — the altitude the tree grew at, the care taken during harvest, the processing method, the roast profile — happened without you. Brewing is where that changes. It's the one step in the entire chain you control, and it's where the work of everyone before you is either honoured or undone.

Growing
Harvest
Processing
Roasting
Brewing
THE FOUR VARIABLES

What you're actually controlling

Every brew method — V60, espresso, French press, AeroPress — is built on the same four variables. Master these and the method almost doesn't matter. Ignore them and no amount of expensive equipment will save the cup.

Grind size

The biggest lever

Grind size controls how quickly water moves through the coffee and how much it extracts along the way. Too coarse and water rushes through, leaving sugars and acids behind — sour, thin, underdeveloped. Too fine and it chokes, over-extracting bitter compounds. Every brew method has a sweet spot, and it's narrower than most people think.
  • Start: coarse for French press → medium for pour over → fine for espresso

Ratio

Coffee to water

Ratio determines strength — but not quality. More coffee doesn't automatically mean better coffee, it just means more concentrated coffee. Getting the ratio right first removes one variable from the equation, so you can focus on everything else.
  • Start: 1:15 for filter · 1:2 for espresso (traditional ratio)

Water temperature

Heat and extraction

Hotter water extracts faster and more aggressively. For lighter roasts — which have more delicate, complex compounds — higher temperatures (93–96°C) are needed to extract them fully. Darker roasts are more soluble and can handle slightly cooler water without going flat. Boiling water straight from the kettle is rarely the right call.
  • Start: 91–96°C for light · 88–92°C for dark

Water quality

The overlooked variable

Water is not just a carrier — it is an active ingredient. Coffee is 98% water, so how could it not matter? Soft water under-extracts, producing flat and lifeless cups. Hard water over-extracts, turning everything harsh and chalky. The sweet spot is moderate mineral content — typically 75–150 mg/L total dissolved solids. Same coffee, same grind, same ratio. Different water. Completely different cup.
Personal note: I once added minerals to water that already had minerals in it. Let me tell you, this was a strange cup of coffee. I can still feel the calcium.
  • Start: Always use filtered or bottled water
BREW METHODS

Finding your method

There is no best brew method — only the one that fits your morning, your equipment, and the cup you want. Here's a quick map of the most common ones and what they each produce.

V60 / Pour over
  • Filter
  • Manual

Hot water poured slowly and deliberately over grounds in a paper filter. High clarity, clean cup, bright acidity. The method that rewards attention — and punishes rushing. Best for coffees with complex origin character you want to taste clearly.

Espresso
  • Presssure
  • Concentrated

Pressurised hot water forced through finely ground coffee — intense, concentrated, with a layer of crema on top. The foundation for milk-based drinks and the most technically demanding home brew method. The traditional benchmark is a 25–30 second shot at a 1:2 ratio. But in specialty, that is increasingly just the starting point.

Ristretto

A shorter, more restricted shot — typically 1:1 to 1:1.5. Less water means only the earliest, sweetest compounds are extracted. Dense, syrupy, low bitterness. Often combined as a fast shot, it became fast the golden standard for Flat Whites.

Turbo / Fast shot

A coarser grind and higher flow rate that dramatically shortens extraction time — often under 15 seconds. The logic is counterintuitive: by moving water through faster, you limit the extraction of bitter, astringent compounds while preserving sweetness and clarity. The output ratio is flexible — you can pull a turbo ristretto or a turbo long shot depending on what the coffee calls for. Common in progressive specialty shops and increasingly the starting point for dialing in lighter roasts on espresso.

SOUP method

Stands for Sprossen Osmotic Update Pressure — a technique developed to exploit osmotic pressure during extraction. Water is introduced in a specific way that encourages more even saturation of the puck, reducing channeling and producing unusually clean, balanced shots. Widely adopted in the specialty world as understanding of extraction science has deepened.

French Press
  • Immerion
  • Full body

Coffee steeps fully submerged in hot water, then a metal mesh plunger separates the grounds. No paper filter means more oils in the cup — heavier body, richer texture, less clarity. Forgiving and consistent. A great entry point for manual brewing.

AeroPress
  • Pressure
  • Versatile

A compact chamber where coffee steeps briefly before being pressed through a filter by hand. Fast, forgiving, and almost infinitely adjustable. Produces a clean, concentrated cup that sits somewhere between filter and espresso. The most versatile brewer you can own.

Moka Pot
  • Stovetop
  • Intense

Steam pressure pushes water up through finely ground coffee on the stovetop. Strong, dark, and intense — not true espresso, but a similar experience without the machine. Common across Southern Europe. Works best with medium-dark roasts; can turn harsh with very light ones.
ONE THING

Grind fresh. Every time.

If there is one change that will improve your coffee more than any other, it is this. Coffee goes stale at the grind — not at the bean. Once ground, the surface area exposed to oxygen increases by around 10,000 times. Aromatic compounds start escaping within minutes. Pre-ground coffee from a bag, no matter how good the beans, has already lost most of what made it interesting by the time it reaches you.

A decent grinder matters more than a fancy brewer

A €30 hand grinder and a €5 pour over dripper will outperform a €200 automatic brewer using pre-ground coffee. The grinder is where the quality lives. If you are going to invest in one piece of equipment, make it that.

The end of the chain

Don't take it for granted.

Coffee does not appear on your shelf by accident. What you just read about — the soil conditions, the selective picking, the fermentation tanks, the roast profile — that is not a process. That is people. Farmers who have spent decades learning how altitude affects a cherry. Pickers who walk the same trees multiple times a season to take only what is ready. Processors who manage fermentation by hand, by smell, by experience built over years. Roasters who pull a batch and know in seconds whether something is right.

By the time a bag reaches you, it has crossed oceans, passed through dozens of hands, and absorbed years of accumulated knowledge from people you will (probably) never meet. The price of a good coffee is not just the bean — it is everything that had to go right, and everyone who made sure it did.

So brew it with a bit of intention. Not because it is precious, but because it earned it.
Woman picking coffee beans from a tree on a farm
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