- 1 cup bitter rhubarb liqueur, such as Aperol
- 1 (12 ounce) can grapefruit seltzer, such as La Croix
- 1 (750mL) bottle of prosecco or cava sparkling wine
- 1 teaspoon bitters, such as Angostura
- 1 blood orange or another citrus, thinly sliced
In a large pitcher or punch bowl combine the rhubarb liqueur, grapefruit seltzer, prosecco and bitters. Add a cup full of ice and stir to combine. Serve over a bit of ice with a slice of blood orange or citrus of choice.