Marshmallow

Althaea officinalis. The original source of an Egyptian confection that evolved into today’s marshmallows. The roots and velvety leaves have been eaten as a vegetable for centuries, often fried with onion and garlic. 3-4 foot stems of 1-2 inch, white-to-pink flowers are reminiscent of hollyhocks, to which this plant is related. Also renowned in various folk cultures for its medicinal properties. Full sun.
 
More info on uses can be found here! Please do your own research on uses of any plants before consuming.