NORTHERN CACTI FURNISH FOOD & DRINK:
The fruits & fleshy sections of N. American Cacti ARE EDIBLE raw, boiled, roasted even fried. Yet be very careful in removing the bristles & spikes usually this is done easier by heat or by cutting off the outer tissue.
DESERT KALAHARI PLANT: *
COOKING DESERT PLANT:
Click-clack our Bantu guide went into the bush and came back after 15 min with a harmful of plants that had yellow nodules about the size of a golf ball on their stalks.
He tore off the foliage and puts the nodules in the hot sand near the remains of the campfire. Then he tore a long tendril out of the ground and picked its bulbous pods until he had gathered enough for a meal.
He peeled the thumb sized beans from the pods and added them to the nodules. They took a long time to cook but were survival food to eat.