How To: French Martini

To Measure One Cocktail: 
Pour into a cocktail glass and leave a suitable window for form.
Pour back into a cocktail shaker, jam jar or protein shaker, add a handful of ice and shake vertically for 20 seconds and strain back into your glass,
To Garnish:
Sprinkle some raspberry dust on one side of the foam. To twirl, place the glass on a smooth, flat surface and grip the stem like you're holding a pencil and spin.
To Store:
Keep this bottle in the fridge and enjoy within one week