In a cocktail shaker, add the spiced cranberry simple syrup, gin and lemon juice along with a handful of ice.
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Put on the top and give it a good, vigorous shake to chill the mixture. About 15-30 seconds takes care of the job.
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After shaking, remove the top from the cocktail shaker and strain the chilled cranberry mixture into a Champagne flute.
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Now pop off that Champagne cork. Top the flute with that delightfully bubbly Champagne -- and that's it!
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