Ingredients
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Gin
80 ml
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Grapefruit
1
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Rosemary sprig
1
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Cane sugar syrup
2 tsp
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Tonic
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Butterfly Pea Flowers
2
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Water
100 ml
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Ice cubes
Pour boiling water over the butterfly pea flowers and leave to infuse for a few minutes. Squeeze the juice of a grapefruit. Blend the ice in a food processor to make a full-bodied gin.
Pour the gin into a chilled glass with a little ice. Add the cane sugar syrup and freshly squeezed grapefruit juice. Stir with a spoon to blend.
Add crushed ice up to three quarters of the way up the glass. Pour in a little tonic. Remove the butterfly pea flowers and carefully pour the blue water over the top.