Tanqueray No.10 Gimlet

1. Grab a cocktail shaker and pour 50ml of Tanqueray No.10 gin, 15ml of lime juice, 20ml of mineral water, 15ml of grapefruit oleo, and a dash of aromatic bitters into it

2. Add ice and shake well

3. Fine strain the contents into a chilled coupette

4. Garnish it with a grapefruit coin and top up the drink with a flash of raspberry powder