• Fill a large wine glass with ice.
• Pour the limoncello and homemade raspberry syrup over the ice and stir gently to combine.
• Top the mixture with the Prosecco and club soda.
• Stir once more from the bottom up to mix without losing the carbonation, then garnish with fresh raspberries and a lemon wheel.

Raspberry Syrup

• Combine the raspberries, sugar, and water in a small saucepan.
• Bring the mixture to a gentle boil over medium heat, stirring until the sugar dissolves. Reduce heat and simmer for 5 to 7 minutes until the raspberries break down.
• Crush the berries with the back of a spoon to release their juices, then pour the mixture through a fine-mesh strainer into a jar, pressing the solids to extract the liquid.
• Let the syrup cool completely before use.