Mix all ingredients with ice and shake vigorously until a frothing head appears.
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Fill the shaker with ice and shake vigorously.
Times, Sunday Times
Add a handful of crushed ice, put the lid on and shake vigorously for one minute.
The Sun
Shake vigorously for 30 seconds and strain into the chilled glasses.
Times, Sunday Times
Remove right away, shake vigorously, place on a hanger with the top button done up.
Times, Sunday Times