Add the first four ingredients into a shaker with ice and shake.
Strain into a chilled coupe.
Top with a splash of the prosecco.
*Turmeric simple syrup: Bring 1 tbsp ground turmeric, 1/3 cup freshly peeled and chopped turmeric, 1 cup sugar and 1 cup water to a boil. Let simmer for 15 minutes. Use a cheesecloth, strain the grounds out of the syrup. Store in fridge for up to 1 month.