Those of us who live in the Sonoran Desert are odd ducks. Many of us eat and relish cactus, just like people living on this land have done for around 10,000 years. This fact is one of the many reasons Tucson was named a UNESCO City of Gastronomy. My blogmate, Tia Marta, wrote about how to gather and prepare cholla cactus buds. A small handful of buds (cleaned of thorns) supply as much calcium as a glass of milk. You can read her post here.