01 -
In a blender or food processor, combine peaches, sugar, lemon juice, and lemon zest if used. Blend until smooth.
02 -
Add the chilled Cava and pulse briefly to combine. Avoid overblending to preserve the bubbles.
03 -
Pour the mixture into a shallow metal or glass baking dish.
04 -
Freeze for 1 hour, then use a fork to scrape and break up any ice crystals.
05 -
Return to the freezer and repeat scraping every 30–45 minutes for about 3–4 hours, until the granita is light and fluffy.
06 -
Scrape one last time before serving in chilled glasses or bowls.