original bonds london rhubarb & custard bag sugar coated rhubarb & vanilla flavored boiled sweets imported from the uk the best of british candy bonds london rhubarb & custard original bonds london rhubarb & custard bag sugar coated rhubarb & vanilla flavored boiled sweets imported from the uk the best of british candy. satisfy your sweet tooth cravings with a handful of rhubarb and custard flavoured hard boiled sweets with a light sugar coating.