Article: You can choose beans that you would use for an espresso, such as an Arabica or Robusta bean. An Arabica bean will be sweeter with hints of berries and a higher acidity. The Robusta has a stronger, nuttier taste and contains more caffeine than the Arabica. Check out local coffee beans for new and different kinds of Arabica or Robusta beans. Purchase a burr grinder that grinds the beans between two abrasive surfaces. This will result in more consistent and fine grounds. If your grounds are not consistent, this may lead to some going through the filter and into your ristretto. Chances are the grinder you already have is one with a blade that's for brewing a regular cup of coffee, so double check before you throw the beans in there. An espresso machine is necessary to make a ristretto so you'll need to get one if you don't already have one. Ask a friend who has an espresso machine if you can come over and make them a new type of coffee if you don't have one. Most ristrettos are served in espresso cups, so make sure you have one handy! They're usually about the size of a shot glass and are either glass or ceramic. Some espresso cups have handles and some don't, so choose whichever kind appeals to you most.
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Choose your coffee beans. Acquire a high quality grinder with a burr. Locate an espresso machine. Choose an espresso cup.