- 1 1/2 cups sugar , divided
- 1 tsp. ground cardamom , plus more for garnish
- 1/2 tsp. ground anise
- Zest of 1 lime (about 1 Tbsp.)
- Juice of 1 lime (about 2 Tbsp.)
- 7 ripe red plums , quartered
- 3/4 cup Greek yogurt
- 1/4 cup rose water or syrup (optional)
In a medium saucepan over medium-high heat, cook plum mixture and 1/2 cup water, uncovered, until plums are soft, about 18 minutes. Remove from heat and let cool slightly, about 10 minutes. Transfer a third of the soup to a blender and puree until smooth; return to pot. Cover and refrigerate until chilled, about 1 hour.
To serve: Stir together remaining 1/4 cup sugar and yogurt. Place a dollop of yogurt in 4 bowls. Spoon soup over yogurt and drizzle each serving with 1 tablespoon rose water or syrup. Garnish with cardamom.