FOR YOUR BAR / 3 MIN READ
How to evaluate coffee samples for your café: a working bar test
Ploomi Journal · Research checked 15 November 2026
A sample can taste excellent at a cupping table and still need a closer look behind your bar. The right test asks whether the coffee fits your actual menu, equipment, team and service.
1. Define the job before tasting
Write down what the coffee needs to do. Is it a house espresso for milk drinks, a black coffee with a distinct flavour, or a filter option? Note your typical drink size, milk, grinder and expected volume. Share this with each supplier and ask for roast date, origin or blend information, recommended starting recipe and the price and delivery terms for the sample.
2. Make the comparison fair
Use clean, familiar equipment and the same water and milk when comparing samples. Start by recording your dose in grams, beverage yield in grams and extraction time for espresso. A starting recipe is a baseline rather than a rule: different coffees may need a different grind or yield to taste their best. Give each sample a reasonable chance, and write down changes.
Label cups A, B and C if the team wants to reduce the influence of packaging or price. Where practical, have more than one person taste and write notes independently before discussing them.
3. Record what you taste, then what you prefer
The Specialty Coffee Association’s Coffee Value Assessment distinguishes descriptive assessment—attributes such as aroma, flavour, texture and aftertaste—from affective assessment, which records the evaluator’s impression and preference. Your café test is not a formal SCA assessment, but borrowing that distinction makes team discussions clearer. Read about the SCA framework.
For each coffee, write a few specific observations. Is the finish short or lingering? Does it taste sweeter or more bitter as it cools? Is the texture light or heavy? Then record whether it fits your menu and customers. “I like this” and “this suits our 200 ml milk drink” can lead to different choices.
4. Test your real service
Prepare your usual milk drink with the normal recipe. Check whether coffee flavour is noticeable at your usual ratio and whether the balance works. Also taste without milk where appropriate. A sensory study on milk-coffee beverages illustrates how formulation affects sensory characteristics; your own menu and milk deserve their own test. Read the study.
Pull several drinks over the session. Record how much adjustment is needed, how the coffee behaves on your grinder and whether your team can repeat a result during service. A short sample test cannot prove long-term consistency; ask how a supplier handles changes between lots.
5. Compare the whole offer
Before choosing, ask about price per kilogram, delivery charges, availability, order lead time, payment terms and how issues are handled. If you are considering support or training, ask what is actually included rather than assuming it comes with every offer. For Ploomi, samples are paid; their price and delivery charges are confirmed before payment.
A simple tasting sheet
Record: supplier and sample name; roast date; brew method; dose; yield; grinder setting; aroma; flavour; texture; aftertaste; milk-drink notes; team preference; price and follow-up questions. Repeat a test if the result is unclear.