I love that description! I've never tasted it as I am allergic to cucumbers and they have always been in it when it's being served.
Then you must make it yourself sometime, and just omit the cucumbers!
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I tend to chuck in whatever kind of fruit we have on hand...strawberries, lemons, limes...I've thrown in peach slices or nectarines (delicious!), slices of plum, grapes, pineapple - it's all good!
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Also, fresh mint from our garden.
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One time all I had were these frozen mixed berries (like raspberries, blackberries, blueberries & strawberries - I think it was from Sainsburys) - so I put them in, between the initially frozen fruit (helped to serve as 'ice cubes' too) and the fizziness of the lemonade, everyone said it looked really pretty in the glass.