The buttermilk is first pasteurized, then concentrated with an evaporator and finally dried (spray or roller dried) to produce buttermilk powder. Buttermilk powder is low in fat and provides an excellent source of protein. It is also a source of calcium, phosphorous, riboflavin and vitamin B12

Mix in blender 1 cup powdered buttermilk to 1 quart water.Makes 1 quart buttermilk.