Have ready:
Set aside half the cherries and place the other half in a soup pot with:
Bring to a boil, then reduce to a simmer, partially cover, and cook until the cherries are soft, about 15 minutes. Puree the soup with an immersion blender (or in batches in a food processor or regular blender) until smooth. Return to the pot. Stir together in a small bowl:
Pour the mixture into the pot and cook over high heat, stirring, until thickened, about 5 minutes. Reduce the heat and stir in the reserved cherries along with:
Heat until warmed through. Taste. If not sweet enough, add additional:
If too sweet, add additional:
Serve warm or cold, garnished with: