You will need 2 large pink grapefruit for this recipe. You can also freeze the granita mixture in an ice-cream machine following the manufacturer’s instructions. Note
Use small piping bags without a tube or strong plastic bags snip a tiny corner from the bag for easy piping. Prepared cake boards are available from cake decorating and craft stores; you will need one 30cm (12-inch) round board for this cake. Note
dairy-free gluten-free wheat-free egg-free nut-free If you have any leftover granita, leave it in the pan and cover it with foil before putting it back in the freezer. You may need to scrape the mixture with a fork again when you are ready to eat it. Note