▪ Dehulling of soybeans (optional)
▪ Grinding of soybean meats (hammermill).
▪ Preconditioning at atmospheric pressure with steam for 1 1/2 to 2 minutes.
▪ Extrusion through a short time/high temperature extruder assembly that elevates the product temperature in a very brief period of time) 12 to 17 seconds) to a temperature of (116 to 143oC or 240 to 290oF),
▪ Cooling of the product.