Staple food are found in the U.S.
Milk . The United States , India , China and Brazil are the world 's largest exporters of milk and milk products . Staple food . Main staple foods are derived either from vegetals and animal products , including cereals ( such as rice , wheat , maize , millet , or sorghum ) , starchy tubers or root vegetables ( such as potatoes , cassava , yams , or taro ) , meat , fish , eggs , milk , and cheese .