This bright and flavoursome cocktail not only looks great but tastes fantastic.
- Put the raspberries, water, sugar and mint in a cocktail shaker and mash with the end of a rolling pin.
- Put 2-3 ice cubes into two large wine glasses with a few raspberries and pour the raspberry mixture over through a sieve. Add the Vermouth and Prosecco, top with soda and stir.