The reason why pomelo sugar can't make frosting is because you don't put enough sugar to make frosting. The ratio of icing sugar to pomelo peel is about 1:2, so if you like it sweet, you can put in more sugar.

Medium heat stir-fry until the sugar is completely melted and then adjusted to the smallest fire simmering, the sugar sauce began to bubble one after another, as the heating temperature rises, the bubbles began to slowly become bigger and denser, the sugar sauce becomes sticky white, then frosting is ready.

The pomelo skin is scrubbed clean with salt and then soaked for about 2 hours, which removes the bitterness in the pomelo skin.

Grapefruit peel effect:

Protect cardiovascular, grapefruit peel contains some substances can make the cardiovascular health, so that the chances of blood clots appear to be reduced, myocardial infarction problem is less likely to appear.?

De-greasing weight loss, grapefruit skin contains nutrients can make the fat in the body better decomposition, to remove the role of grease.