You can use your own coffee beans with a Meraki espresso machine without a CoffeeSense™ tag. CoffeeSense reads a compatible NFC coffee bag and supplies suggested grinding and extraction parameters. With an untagged bag, you choose the recipe yourself. That choice is separate from whether you use the machine’s weight-based grinding and brewing functions or operate the controls manually.
The useful question when you bring home coffee from a local roaster is therefore: which information can you carry over from the bag, and which settings need checking on your own machine?
Three Decisions That Often Get Called “Manual”
Choosing your own settings and manually stopping a shot are different decisions. Keeping them separate makes Meraki’s controls easier to understand.
| Decision | What it means | What you still decide |
|---|---|---|
| Where the recipe comes from | CoffeeSense supplies suggestions from a compatible bag; an ordinary bag requires your own starting recipe. | Whether that recipe suits the coffee and drink you want. |
| How the quantity is controlled | Weight-based operation uses a selected dose or beverage target; manual operation puts stopping in your hands. | The intended amount of ground coffee and espresso. |
| How the grounds are prepared | You transfer, distribute and tamp the coffee in the portafilter. | A consistent preparation routine and an appropriate dose for the basket. |
Using beans without a tag does not mean abandoning measured quantities. The Meraki espresso machine has separate scales for ground coffee and espresso output. You can choose your own recipe while using the relevant weight-based functions; consult your model’s manual for the operating sequence.
What a CoffeeSense Bag Tells the Machine
A compatible bag carries an NFC chip. Presenting it to the machine’s NFC area gives access to corresponding suggested grinding and extraction parameters, as described in the CoffeeSense operating instructions.
This is a way of bringing recipe information to the machine. It does not chemically analyse beans poured into the hopper, read an ordinary printed label, or measure how the coffee tastes. A recommended grind setting also needs to be distinguished from physically adjusting the grinder: check the displayed guidance and follow the adjustment procedure for your model.
The suggestions give you a reference for that coffee. Freshness, preparation and personal preference can still make a small adjustment worthwhile. An untagged coffee simply starts with a different source of information: the roaster, an existing recipe, or a measured trial.
Scenario One: Your Local Roaster Gives You a Recipe
Suppose the roaster recommends 18 g of ground coffee and 40 g of espresso. Those two weights describe a brew ratio of roughly 1:2.2. If an 18 g dose suits your basket, they offer a useful first comparison.
A grinder number is less portable. A setting from the café’s grinder cannot be entered as an equivalent number on Meraki. Even another owner’s Meraki grind setting should be treated as a reference rather than a guaranteed match.
Research from Switzerland’s ZHAW shows how the share of fine particles affects espresso flow. This helps explain why a grinder number alone cannot describe everything happening inside the coffee bed.
Carry over the suitable dose and target yield first. Adjust the grinder according to your machine’s instructions, prepare the puck consistently, then observe the result. If the roaster supplies a time range, ask whether timing begins at pump activation or the first drops. Otherwise, two apparently different shot times may use different starting points.
Scenario Two: The Bag Gives Tasting Notes, but No Recipe
“Chocolate, hazelnut and orange” describes a sensory direction. It does not specify a dose, grind position or extraction temperature.
Ask the roaster three practical questions: do they recommend this coffee for espresso, what dose and beverage weight do they use, and when do they suggest opening the bag after roasting? These answers are more useful than trying to infer settings from the country of origin.
If no recipe is available, a 1:2 ratio can serve as a simple trial: for example, 18 g in and 36 g out, provided that dose suits the basket. This is an illustrative starting point, not a CoffeeSense recommendation or a requirement for every coffee.
Keep the current suitable brewing temperature steady while establishing the first repeatable shots. Changing grind, yield and temperature together makes it difficult to identify which change helped.
Roasting also shapes the flavour available to extract. The German Coffee Association explains how roasting develops coffee aromas. A fruit-led coffee may retain noticeable acidity even when prepared well; removing every bright note may move it away from the flavour you bought it for.
Scenario Three: Yesterday’s Recipe Is Still on the Screen
A familiar-looking set of numbers can be misleading after a bean change. Before grinding, check that the active recipe belongs to the coffee you are about to use. Review the dose, target yield and brewing temperature, along with the physical grinder setting.
Do this whether yesterday’s recipe came from CoffeeSense or your own notes. Follow your model’s instructions to leave or reset a loaded recipe where necessary; scanning an old bag will not create a recipe for a different coffee.
Also consider the coffee still in the hopper and grinding path. Follow the approved bean-change procedure rather than judging a new bag from a shot that may contain some of the previous coffee. When switching to decaf, keep a separate record: dialling in decaf espresso deserves its own reference rather than an assumed copy of your regular blend.
Use the First Cups to Answer One Question at a Time
Start by asking whether the result repeats. With the same dose, target yield and preparation, do successive shots behave similarly? If they vary sharply, check preparation and measurement before changing the recipe again.
Once the shots repeat, decide what you want to change in the cup. An unusually fast, thin shot may justify a finer grind trial. A very slow or stalled shot calls for checking dose, basket cleanliness and preparation, with a coarser grind considered where appropriate. Neither timing nor sourness alone proves a single cause.
If flow is reasonably consistent but the espresso feels too concentrated, trial a slightly higher beverage yield while holding the other settings steady. Compare the flavour as well as the strength. More output changes both dilution and extraction, so it will not necessarily taste better.
Keep the water source consistent during these comparisons and within Meraki’s water requirements. ZHAW’s work on water composition and coffee extraction explains why water belongs in the comparison alongside coffee and settings.
Keep a Recipe Note That Someone Else Can Repeat
A useful note records more than “grind 12”. Include the coffee name, roast date, basket, dose, beverage yield, grinder setting, temperature and shot time with its timing convention. Finish with a short tasting observation and the next change, if any.
For example: “18 g in, 36 g out; repeatable flow; pleasant alone but too sharp in our usual milk drink; next trial: slightly longer yield.” Label this as your own working recipe, separate from any CoffeeSense suggestion.
Once you like the result, stop adjusting merely to reach someone else’s numbers. Keep the preparation routine stable so the recipe remains useful. The same measured approach underlies a repeatable grinding and brewing workflow.
Whether the first settings come from a compatible NFC bag or a conversation with your local roaster, the final reference is the coffee you actually want to drink. Keep enough information to make that cup again.
