The higher concentration of espresso means the ristretto has more caffeine per volume. Coffee brewing techniques can also have differing effects on the caffeine in your cup, depending on how much ...

Keurig K-Express Single Serve K-Cup Pod Coffee ... a milk steamer and espresso maker. 4. Le'raze Clear Snifter Water Glass Cups, $17.99 For iced coffee lovers, this set of four Clear Snifter ...