Jamaica Milk

Drain the canned pineapple slices well and cut into small pieces.

Peel the orange(s), segment them and chop the segments. Place the pineapple and orange pieces in a bowl and sprinkle with vanilla sugar.

Put grapefruit juice, coconut syrup and white rum into the blender. Pour in cold buttermilk and blend everything until smooth.

Divide the fruit pieces among 4 wide champagne coupes and pour the buttermilk mixture over them. Serve immediately.