Heat the oil in a saucepan over medium-high heat. Add the onion and ginger and cook, stirring occasionally, until the onion softens, 5 to 10 minutes. Stir in the cilantro and cinnamon and cook until fragrant, about 20 seconds.
Pour in the coconut milk and cream and bring to a boil; immediately turn the heat to low and simmer gently for 15 minutes, or until the