Brew & learn · For your kitchen
Coffee & chai.
How to make it.
Choose a recipe, work out the amounts, and brew along. Coffee first. Chai and cold brew guidance below.
BREW & LEARN / AT HOME
Make a cup.
Make it yours.
Choose a brewing guide, follow each step, and remember what you liked. These are starting points; your brewer and your taste have the last word.
The guided recipes and calculator need JavaScript. You can still browse our coffee and chai.
Explore Hidden Grounds coffeeBrowser storage is unavailable. You can still brew, but this session and your notes may not be saved.
01 / THE GUIDES
Pick your way to brew.
Choose the method you have at home. Every guide shows the equipment, amounts, and steps before you start.
No guides match this view. Try another method or show all recipes.
02 / GET READY
Your brew setup
Choose a recipe to see its preparation.
Make it yours
Choose an amount within this guide’s range, in half-gram steps.
These details stay on this browser. Shared recipe links include only the guide and dose.
YOUR BREW CARD
- Water temperature
- —
- Grind
- —
- Guide time
- —
Before you begin
Have these ready
Prepare your brewer
Preview the timed steps
Sound is off by default and works only while this page is active. Your device’s volume settings still apply.
Where this guide comes from
Original recipes are credited here. Amounts and timing cues are adapted as starting points.
03 / IN THE BREW
Your brew is underway.
Time is a guide. Drawdown can vary with your brewer and grind.
Your brew was paused when you left. Choose Resume when you’re ready.
Step 1
Get ready to pour
Follow the next step when it appears.
Stop this brew? Its timer and unsaved notes will be cleared.
04 / THE CUP
How did it taste?
Your brew is finished. The timer is a guide; taste the cup before you decide what to change.
Your notes stay on this browser. They are never added to a shared recipe link.
YOUR BREW HISTORY
My brews.
See what you made and what you learned. Your notes are saved on this browser only.
Keep the cups worth remembering.
No brews saved yet. Pick a guide and make your first cup.
QUICK TOOLS
A little extra help.
Check a measured extraction yield or head to the right preparation directions.
Extraction yield
Use this only if you measured your drink’s TDS with a suitable meter. Without that measurement, this tool cannot estimate extraction.
Preparation directions
For a quick coffee-and-water calculation, open the calculator below. Chai mixes and concentrate have their own preparation instructions.
Just need the coffee-to-water calculator?
COFFEE CALCULATOR
Calculate your
brewing water.
Choose your coffee dose and ratio. We’ll work out the water.
General guidance for hot pour-over and drip coffee. Use product-specific directions for espresso, chai, and concentrate.
Find your coffeeHidden Grounds
Chai & Coffee House
Your brew card
10–40 g, weighed dry.
Water for each gram of coffee.
A starting point for hot pour-over and drip coffee. Adjust to your brewer and your taste.
Water to add for brewing
1:16with 20 g of ground coffee
Some water stays in the grounds, so your finished cup will be smaller. Check your brewer’s batch-size guidance.
Check the amounts above and we’ll work out your recipe.
A simple starting recipe: 20 g of coffee with 320 g of brewing water. To adjust or print a recipe here, turn on JavaScript in your browser.
One small change.
Taste your coffee, then try one adjustment for your next brew.
What’s behind the brew?
Ratio sets your starting amounts and helps shape intensity. Extraction is how much the water draws out of the grounds; grind, time and method matter too. Your taste is the guide.
This tool is for ground-coffee filter brewing. Follow separate product directions for espresso, chai and premade concentrates.

