Ingredients:

1/2 ounce St-Germain
1 mint sprig
4 ounces prosecco, chilled
1 ounce soda water, chilled
Garnish: mint sprig
Garnish: lemon wheel

Method:

Add the St. Germain and mint sprig into a wine glass. Gently muddle and let sit for 3 minutes.
Add ice, the prosecco and the soda water and stir briefly and gently to combine.
Garnish with a mint sprig and a lemon wheel.