A layer of grapefruit slices and a grapefruity drizzle makes ... Their pithy skin is also good candied, if blanched several times in fresh water, then simmered in sugar syrup.

Grapefruit make excellent marmalade. Their pithy skin is also good candied, if blanched several times in fresh water, then simmered in sugar syrup. Otherwise, cut away the thick bitter pith and ...