Questions
Coffee gear, answered
The questions we get most, answered straight. For anything else, get in touch.
Questions
Frequently asked
What's the difference between coffee and espresso?
Espresso is coffee brewed a specific way — finely ground and forced through under about nine bars of pressure in 25–30 seconds, so it comes out concentrated with crema. Regular coffee is brewed slowly with gravity and a coarser grind. Full explainer: coffee vs espresso.
Do I need a separate grinder for an espresso machine?
Unless the machine has one built in (like the Breville Barista Express), yes — and it needs to be a burr grinder that goes fine and adjusts precisely. Pre-ground coffee and blade grinders can't make good espresso. See best espresso grinders.
Should I spend more on the machine or the grinder?
If your budget is fixed, put more into the grinder than most people do. Grind consistency controls the shot more than the boiler does, so a great machine with a bad grinder makes bad espresso. Our grinder roundup explains why.
Is a 15-bar pump better than a 9-bar machine?
No. Espresso is brewed at about 9 bars at the puck. '15 bars' is a pump's maximum, not the brewing pressure — nearly every home machine advertises it and it tells you almost nothing about shot quality.
What's the best espresso machine for a beginner?
For café-style milk drinks with the least fuss, the Breville Bambino Plus (its automatic steam wand handles the hardest beginner skill). For an all-in-one you won't outgrow, the Barista Express. See best espresso machines for beginners.
Is the Breville Barista Express worth it?
For most people getting into home espresso, yes — the built-in grinder means one purchase gets you to real shots, which usually costs less than a bare machine plus a separate grinder. Full Barista Express review.
What's the difference between a burr and a blade grinder?
A burr grinder crushes beans to an even size; a blade grinder smashes them into a random mix of dust and boulders that extracts unevenly. Burr wins for every brew method, and it's the only option for espresso. See burr vs blade grinder.
Is there such a thing as an 'espresso bean'?
No. Espresso is a brewing method, not a bean. “Espresso roast” usually just means a darker roast chosen because it forgives grind errors and makes a heavy crema. Any bean can be pulled as espresso. More in coffee vs espresso beans.
What roast is best for espresso?
For forgiving, milk-friendly shots, medium-dark to dark. For a more nuanced straight shot, a medium roast — but it demands a more careful grind. There's no single “best.” Our espresso beans roundup picks by use.
Whole bean or pre-ground for espresso?
Whole bean, every time. Ground coffee stales within minutes, so grinding right before you brew is the biggest free upgrade you can make — which is the whole reason a burr grinder matters so much.
How fresh should coffee beans be?
Coffee peaks roughly 4 to 21 days after the roast date. Look for a printed roast date rather than just a 'best by.' Grocery-shelf beans often carry only a best-by date, which tells you far less about freshness.
Does espresso have more caffeine than coffee?
Per ounce, yes — but a single shot (~63 mg) usually has less total caffeine than a full mug of drip coffee (~95 mg), because you drink far more of the mug. Concentration isn't the same as total dose. See coffee vs espresso.
What size tamper do I need?
Match the tamper diameter to your portafilter basket: 58mm for most commercial and Gaggia machines, 54mm (about 53.3mm) for Breville, and 51mm for many De'Longhi machines. A mismatched tamper ruins the puck. See best espresso tampers.
Do I really need a coffee scale?
It's the cheapest consistency upgrade there is. Weighing your dose in and your shot out (to 0.1g) turns guesswork into a repeatable recipe. Our scale roundup picks the best.
What's the best coffee maker if I don't want espresso?
For most households, an SCA-certified drip machine that brews in the 195–205°F window. For café flavor by hand, a pour-over or French press wins for a fraction of the price. See best coffee makers.
How do you review products if you don't test them in a lab?
We compile published manufacturer specifications, read the manuals, run the math, and score against a published rubric — and we say plainly that we did not lab-test the products. Full method on the how we review page.
Are your prices accurate?
They're pulled live from Amazon and stamped with the date fetched. If our data is more than 48 hours old, the number disappears rather than showing you something stale. Amazon's price at checkout is always the one that counts.
How do you make money, and does it affect your recommendations?
We earn affiliate commissions, mostly through Amazon, at no extra cost to you. It never changes a verdict — when the cheaper product is the better buy, we link to it anyway. Full affiliate disclosure.