original text from about A.D. 1390
Rapes in Potage
Take rapus and make hem clene and waissh hem clene. quare hem. parboile hem. take hem up. cast hem in a gode broth and seeþ hem. mynce Oynouns and cast þerto Safroun and salt and messe it forth with powdour douce. the wise make of Pasturnakes and skyrwates.
Turnips in Pottage
Take turnips[brassica rapa] and make them clean and wash them clean. Square them[chop them in cubes] and parboil them. Take them up. Cast them in good broth and boil them. Mince Onions and cast thereto saffron and salt and serve it forth with powder douce[sweet powdered spices]. Parsnips and skirrets are made likewise.