Puffcorn or corn puffs are puffed or extruded corn snacks made with corn meal and baked. Products by the name of puffcorn (instead of the more generic term corn puffs) in particular can be made to look similar to popcorn, although the latter is made from whole grains.

Puffcorn is an extruded puffed corn snack which belongs in the snack group products made with corn grits, rice, wheat, or other cereals. Puffcorn is often flavoured with cheese, caramel, oil, chili, onion, or garlic powder, and many other spices.

Puffcorn is commonly known as a ready‐to‐eat functional breakfast cereal or an extruded functional snack.

Extrusion has been shown to be an effective method for incorporating other functional ingredients into food products.

Corn snacks production line as the popular and advanced equipment can make different shape of Puffcorn. and it don't only use corn as material but can use oat,rice,and many grain as raw material.double screw extruder is the main and key equipment in the corn puff snack process,food manufacturer can create different shapes product easily by changing variety of dies.