Peel and grate sweet potatoes. Pre-heat oven to 180°C (350°F).
Combine Grace Coconut Milk, water, Grace Hello Margarine, sugar, raisins and vanilla, and stir.
Mix together flour, cornmeal, nutmeg, cinnamon, lime rind and salt; set aside.
Empty flour mixture into the grated potatoes. Gradually add the combined liquid and stir to remove lumps.
Pour mixture into a well greased baking pan and bake for approximately 2 hours.
To Serve: Allow pudding to cool; then combine lime juice with rum and sprinkle over pudding.