Place raspberries in a cocktail shaker and muddle until broken down.
Add Aperol and fill the shaker with ice.
Shake vigorously for 15-20 seconds.
Fill a champagne flute or wine glass with ice cubes.
Double strain the raspberry-Aperol mixture into the glass.
Top with prosecco and soda water.
Gently stir with a bar spoon to combine.
Garnish with an orange slice and fresh raspberry.
Notes
The cocktail works best with fresh raspberries. Frozen raspberries can be used but may create a slushier texture.Keep the prosecco and soda water chilled before mixing. Room temperature bubbles will go flat faster.This recipe can be scaled up to make a pitcher for parties. Multiply ingredients by the number of servings needed.The drink should be served right away to maintain its fizz and keep the ice from diluting the flavors.