Peas are more expensive.
Tapioca starch is a relatively affordable starch with relatively high nutritional value, but the price is only about five yuan per pound, so it is a very cost-effective starch.
Pea flour, as the name suggests, is powder ground from peas. However, Yunnan's pea powder is a special delicacy. After different processes, the pea powder is turned into a solid, and then served as a cold dish with seasonings. It can be eaten as a meal or as a meal.