Pair a $5,000 chromed-out Italian espresso machine with old or poorly ground coffee, and your ristretto will taste mediocre — or worse, like a cup of salty battery acid. But invest in a good manual ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. When there are electric machines that can grind coffee ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." In the Good Housekeeping Institute Kitchen Appliances and Innovation Lab we've tested over 25 coffee ...

Are manual or electric coffee grinders best? If you want to make coffee at home that rivals the drinks you get from your favorite coffee shop, you need to grind your own beans, rather than using ...