What's SB? I've made Calalloo soup many times. Never used coconut milk or scallion. I was taught by ladies in Bequia at the Frangipani. They made the best cream of calalloo soup!
Used to buy it at Grande Marche on Bush Rd. Hard to get fresh. Maybe Bushman has some, I don't know.
The canned stuff isn't very good.
Pepperpot from JA is made with calalloo.
Cheers
irina