vitelotte, french purple potatoes sliced in half with a knife on wooden board at rustic kitchen table. blue variety of popular pot

agriculture anthocyanins antioxidant background black blue blueviolet board chine chunks color cooking crop cuisine cut dark delicious exclusive farm food french fresh gourmet half healthy kitchen knife market natural negresse noir noire nutrition nutritious organic popular potato potatoes produce purple raw recipe root rustic skin sliced table truffe tuber uncooked unusual variety vegetable vegetarian violet violette vitamin vitelotte white whole wooden