There's one hack for folding your coffee filter to make it fit your machine perfectly, and it can even improve the taste of your coffee, too.

Don't have a funnel on hand? Snip off one corner of an envelope to turn it into a makeshift funnel for dried goods. This photo from the Simple Bites blog pretty much says it all. This won't work ...

The mechanism is quite simple: the funnel has either a perforated plate fitted with a paper filter or a fritted glass plate without a paper filter. The narrow part of the funnel is usually sealed to a ...