Ingredients
2 cups raspberries, plus more for serving
2 cups pineapple juice
1 teaspoon pure vanilla extract
1 bottle (750 milliliters) chilled brut sparkling white wine
1 cup chilled seltzer
Preparation
Blend raspberries, pineapple juice, and vanilla until smooth. Strain through a fine-mesh sieve, pressing on solids; pour into a pitcher. Top with wine. Let foam settle; top with seltzer and stir gently to combine. Put a few raspberries in each glass, pour, and serve.
