Above: The sections of pomelo are left thick, but trimmed of any loose patches of pith. Above: The peels are sliced, then soaked in water overnight. Above: After soaking, the citrus peels are ...

The white pith just under the skins of citrus fruit is high in pectin. Any citrus fruit can be used, but choose ones that have a thick layer of white pith for good results with this recipe.

The thin, near pith-less skins of mandarines, clementines, and other easy-peel citrus, like satsumas, are repositories of ...