How Coffee Concentrate Works

Coffee concentrate is exactly what the name suggests: coffee made at a much higher ratio of coffee to water than normal, producing a liquid with significantly more caffeine, flavour, and body per millilitre. To drink it, you dilute it.

The implications — in terms of shelf life, flexibility, cost, and quality consistency — make concentrate one of the most practical formats in both home and commercial coffee service.

NORSE uses an 8:1 ratio. That means one part concentrate to eight parts diluent — water, milk, oat milk, or anything else. This ratio is calibrated to produce a finished drink with flavour and caffeine levels equivalent to a standard cold brew.

A single 330ml bottle of NORSE concentrate produces approximately 2.6 litres of finished cold brew. A 4-litre caddy produces roughly 32 litres of served cold brew.

Cold brew concentrate and espresso are both concentrated forms of coffee, but the extraction process is completely different. Espresso uses heat and pressure over seconds. Cold brew concentrate uses cold water over hours.

Espresso has more brightness and acidity. Cold brew concentrate is smoother, less acidic, and maintains quality for weeks when refrigerated. For cocktails, food recipes, and cold lattes, cold brew concentrate performs comparably or better.

The primary advantage of concentrate over ready-to-drink is flexibility. The same bottle of NORSE concentrate can produce cold brew at the 8:1 ratio, be used undiluted as an espresso substitute (30ml = one shot), incorporated into desserts, or mixed directly into cocktails.

This is why concentrate has become the dominant format for serious coffee programs and cocktail menus.

Unopened, NORSE concentrate remains shelf-stable for 18 months. No refrigeration required until opening. Once opened and refrigerated, it stays at its best for up to two weeks.

For commercial use, this means predictable inventory management, less waste, and no concern about quality degrading across a slow day.

The 8:1 ratio should be treated as a starting point, not a rule. Personal taste varies, and different diluents produce different perceived sweetness and body. Start with 8:1, then adjust one increment at a time.

NORSE produces a dedicated mixing jug with marked ratio lines to make consistent 8:1 preparation effortless.