Every New Year’s Eve party needs one moment of theatre that isn’t fireworks, and this is ours: a tall, glittering, genuinely blue spritz that changes colour in front of your guests. Squeeze in the lemon and the blue swirls to violet, then soft purple-pink, like a mood ring someone finally taught manners. No dry ice, no cocktail-bar equipment. Just botany doing its party piece.

The blue comes from Simara Blends’ blue matcha — butterfly pea flower, ground fine, with a gentle, softly floral flavour that lets the tonic and citrus do the loud talking while it handles the visuals. The colour change is the flower’s own chemistry meeting lemon juice; your only job is to make sure people are watching when it happens.

What you need

2 tsp Simara Blends blue matcha
100 ml warm water
Plenty of ice
750 ml chilled soda water or tonic
1–2 tsp honey or sugar syrup, optional
1 lemon, cut into wedges — this is the magic wand
2 tsp lemon & black pepper flavour pearls, to garnish
30 ml gin per glass, entirely optional

Method

Whisk the blue matcha into the warm water until smooth and vividly, improbably blue. Sweeten with a little honey if you like, then chill the base.
Fill six glasses generously with ice — gin first if it’s that kind of party — and top most of the way with cold soda or tonic.
Pour the blue base slowly over each glass and watch it streak down through the bubbles in deep indigo ribbons.
Garnish each glass with a small spoon of lemon & black pepper pearls and hook a lemon wedge on the rim. The pearls sit in the drink like tiny golden planets — this is a very photogenic beverage, and it knows it.
Now the trick: hand the drinks over blue, and have everyone squeeze their lemon in at the same moment. Blue to violet to purple-pink, on cue. Time it for midnight and the drink does its own countdown.

The blue base holds its colour in the fridge for a day, so make it before the party and keep the reveal for the crowd. One more use for the wedge-averse: a saucer of lemon juice and a teaspoon, for slow-motion swirls.

The pearls have a longer repertoire than garnish duty — our guide on how to use flavour pearls runs the full set list, and the tea and latte shelf has more colours where that blue came from.