Always use fresh ice, and plenty of it.
Don’t be shy about the amount of ice you put in your shaker or mixing glass—you want to chill the drink as quickly as possible.
Never try to get juice from cold citrus.
It will yield up to a third less liquid than room-temperature fruit and require more effort. Let citrus sit at room temperature, or take cold fruits and soak them in really hot water for 5 minutes before juicing. Juices are best the day they’re squeezed, but orange and grapefruit juices can be refrigerated overnight.
Drinks made with juices or egg whites require serious shaking.
Don’t shake a cocktail halfheartedly for three seconds: Vigorously shake for at least 10 seconds to make drinks properly frothy. You shake a drink to wake it up, not put it to sleep. To make double-shaken drinks extra airy, remove the semicircular spring from your Hawthorne strainer and add it to the shaker with the ingredients before the first shaking. Remove the spring before you add ice (it could get caught in the coil).