Food products manufactured by extrusion usually have a high starch content such as pasta, breakfast cereals and ready-to-eat snack foods. Other food products often produced by extrusion include some breads (croutons, bread sticks, and flat breads), pre-made cookie dough, and some french fries.
Sausages, hotdogs and chicken nuggets are also food items that are manufactured by extruding. These items are often pre-cooked during the extrusion process using steam to heat the extruding equipment. Extrusion is also used to make confectionery products like chewing gum, licorice, and toffee. Home cooks use the process of extrusion when they use a garlic press, potato ricer or a pastry bag to frost a cake.