These gemlike spuds are about as big as a Ping-Pong ball, but don't let their size fool you. Purple Potaotes have many times the antioxidant power of their cousins, white and yellow potatoes. Studies have found that the plant pigments that give them their lovely color, called anthocyanins, may improve memory and prevent age-related muddled thinking. Also, their high levels of folate help lower levels of the amino acid homocysteine, which can damage brain cells. Pretty good for such a tiny tater.  Look for them in your produce section - they're not as hard to get as they used to be!  Lula's for Lunch...and More! Catering uses them not only because they're healthy and beautiful, but because they TASTE so good.  You can see a description of them here  as Banderillas ...