Cold Brew Recipe for Beginners

Cold brew is the most forgiving coffee you can make. Coarse grind, cold water, and time do almost all the work. There is no temperature to control, no pour technique to master, no grinder tolerance to fuss over. If you can pour water into a jar, you can make excellent cold brew.

The recipe

• 100 g coarsely ground coffee (french-press coarse, like chunky sea salt)
• 800 g filtered room-temperature water
• 12 to 16 hours steep, at room temperature or in the fridge
• Strain, dilute 1:1 with water or milk over ice

That is the whole method. It scales linearly — halve or double as needed.

Step by step

1. Grind coarse. A blade grinder will produce too many fines and cloud the concentrate. If a burr grinder is not an option, buy pre-ground labeled for french press.
2. Combine coffee and water in a large jar. Stir gently so all the grounds are saturated. No dry pockets.
3. Steep 12 to 16 hours. Room temperature extracts faster; fridge steeps taste a hair cleaner. Both work.
4. Strain twice. First through a fine mesh sieve to remove the bulk of the grounds, then through a paper filter or nut-milk bag for clarity.
5. Store the concentrate in a sealed jar in the fridge for up to 10 days.
6. Serve. Fill a glass with ice. Pour concentrate halfway. Top with cold water or milk.

Bean picks

Cold brew loves medium and medium-dark roasts with chocolatey, nutty, or caramel notes. Light roasts get lost. Try single-origin Brazils, Colombian medium roasts, or any blend labeled "cold brew friendly."

Troubleshooting

• Too weak? Steep longer, up to 20 hours. Or bump the coffee-to-water ratio to 1:7.
• Too bitter? Steep shorter (10 to 12 hours) or grind coarser.
• Cloudy? Your grind was too fine, or you skipped the paper filter. Both fixable next batch.

Once you've made cold brew twice at home, you will not buy the $6 grocery-store bottles again.

Going deeper

Let's go beyond the recipe. Every technique in this guide has a reason behind it — understand the why and you can adapt the how to any bean, any day, any brewer.

Ratio and steep time

Start at 1:8 coffee to water for a concentrate you dilute 1:1 with water or milk. Steep 16 to 20 hours at room temperature, or 24 hours in the fridge. Longer isn't better past 24 hours — you start extracting the same bitter compounds hot brewing gives you, minus the aromatic upside.

Filtering for clarity

After steeping, filter through a fine mesh, then again through a paper filter or a nut milk bag. Two-stage filtration is the difference between a hazy, sedimented cold brew and one that looks like iced tea. Store the concentrate in a sealed jar in the fridge; it keeps for two weeks without losing much.

Grind size matters more than you think

Cold water extracts slowly and unevenly, so uniform grind size is critical. Aim for coarse — the texture of raw sugar. Fine grinds turn cold brew silty and bitter, and no amount of filtering fully saves it.

Serving beyond the tall glass

Cold brew concentrate is the base for tonic drinks (add citrus and a splash of tonic water), espresso-style shots (undiluted over ice), and cocktails (try a coffee old fashioned). Because it's low in acid, it plays well with almost any mixer that would clash with hot coffee.

Common mistakes to avoid

The fastest way to improve is to stop doing the wrong thing. In order of frequency: using stale coffee, skipping the scale, running the water too cool, and changing multiple variables at once. Fix those four and you're brewing better than 90 percent of home setups.

Final thoughts

Coffee at this level rewards attention, not spending. A modest setup used consistently beats an expensive setup used carelessly, every time. Give any technique two weeks of daily practice before deciding whether it works for you — palate takes longer to train than muscle memory.