If you’re shopping for coffee at the grocery store, “check the roast date, rather than the ‘best by’ date,” says Awan. With mass market roasters, the “best by” date can obfuscate the window in which coffee beans are at their best: about 4 days after roasting, when some, but not all, of the carbon dioxide has escaped from the beans. (Too much carbon dioxide captured within beans tends to create uneven extraction, as the gas escapes — this is what pre-infusing tries to counter. Conversely, too little carbon dioxide in the bean can lead to a loss of flavor.)
Above all, good espresso requires precision. If you’re looking for phenomenal tasting notes, flavor balance, and texture, there is simply no room for error in the machine, the beans, the user, or even the weather. And even if you’re not holding out for the best coffee on the planet, the margin for error is still slim. To test the machines, we pulled shots following the Italian Espresso National Institute's measurement guidelines and paid attention to the following markers of success:
The Rocket’s espresso lever is an upgrade from the simple on/off button used by most of our models. By only moving the lever part way up, you can play around with pre-infusing your coffee grounds before pulling the shot. Pre-infusion can be fun to tinker with as you try to home in on what makes your perfect espresso. This gives the Rocket an additional level of customization not available on the other models we tested.
Before we get into the technical aspects of the two types of espresso machines, here’s what you really need to know. Semi-automatic espresso machines are going to be perfect for the espresso connoisseur. If you’re the type that really wants to get the best-quality and taste out of your espresso machine and don’t mind taking a little more time and effort out of your schedule, the semi-automatic espresso maker is going to be for you. It’s a little bit more work, but the key here is that you ultimately have more control over every subtle nuance that goes into your version of the perfect shot of espresso with a semi-automatic.
If you’re shopping for coffee at the grocery store, “check the roast date, rather than the ‘best by’ date,” says Awan. With mass market roasters, the “best by” date can obfuscate the window in which coffee beans are at their best: about 4 days after roasting, when some, but not all, of the carbon dioxide has escaped from the beans. (Too much carbon dioxide captured within beans tends to create uneven extraction, as the gas escapes — this is what pre-infusing tries to counter. Conversely, too little carbon dioxide in the bean can lead to a loss of flavor.)
You might have heard that purchasing a double-boiler espresso machine or a proportional-integral-derivative (PID) controller will give you more accuracy and control over temperature. They’re definitely features to dig into for advanced espresso crafters, but expect to pay an additional $400 for a PID and $800+ for a second boiler. Since we wanted to focus on beginner machines, we stuck to single-boiler models without PID controllers for this review.
A new French press is an ideal companion on a camping trip or picnic. Our sturdy versions of French presses are available in glass, metal, ceramic and other materials. Invest in your own efficient single-cup brewers with included cups and thermal mugs to create on-the-go coffee drinks for one person. Cold-brew machines and kits are other terrific options when you prefer chilled and iced coffee beverages. Remember to order plenty of filters, tampers, descaling tabs and other coffee accessories to keep your machine fresh and bright. Clean machines with the right size filters brew the best coffee
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