- 6 tea bags (preferably black tea)
- Organic rose petals (optional)
Stir 5 cups water, sugar, and rose water in large pitcher until sugar dissolves. Add tea bags, pushing to submerge. Cover with foil; place on sunny windowsill. Let steep until tea is dark, at least 3 hours.
Remove tea bags and discard. Mix half and half into tea. Pour mixture into 13x9x2-inch glass dish. Freeze until frozen around edges, about 1 hour. Coarsely chop mixture in dish. Freeze until almost solid, about 1 hour longer.
Working in 2 batches, transfer granita to processor and blend until smooth. Return to same dish and freeze 1 hour. Repeat blending in 2 batches 1 more time. Freeze 1 hour.
Using tines of fork, scrape granita in dish into flakes. Cover; freeze.DO AHEAD Can be made 1 day ahead.
Spoon granita into dishes; sprinkle with rose petals, if desired. Serve granita with baklava.