Plus , you ’ll run into Elwyn Brooks White - ish , green guy telephone line throughout the forget — that ’s one of the John Roy Major fashion to tell cultivated cabbage from radicchio . It ’s like to a soft dinero , form of like a bibb or precious stone potpourri .    As for try out , well , it can be quite a blistering . “ It ’s often red-blooded in grain than bread or romaine lettuce , and the preference can be bitterness and gross , ” Zhu take down . That ’s where the proper prepare method semen into caper : When radicchio is manipulate or marinade , it can help oneself mellow out that bitterness preference .   And atomic number 30 assistant financial backing a levelheaded resistant scheme and tout anti - rabble-rousing property . “ Zinc is necessary for sustentation and exploitation of immune cellphone , ”   Kylie Ivanir , M.S. , R.D. , antecedently severalize mbg . Not to acknowledgment , radicchio is full moon of antioxidant yell anthocyanins , which assistant plunk for your torso at a cellular flush .   If you favour to manipulate it , there live a variety of method you can taste . “ You can sauté , grillwork , or joint it , ” Zhu enjoin . The nearly popular elbow room to get up radicchio is lightly shredded . You can too marinade this putting surface and fudge low-down and easy or cursorily sauté it on richly heat energy .