Disclosed are processes for removing lactose from dried milk products to produce dried protein fortified and/or mineral fortified milk products having a reduced lactose content with minimal use, or even without the use, of membrane ultrafiltration, diafiltration, or additional drying equipment. Additionally, a high lactose-containing stream product is also produced. The dried protein fortified milk products are physically and chemically similar to dried milk protein concentrates and can be used for protein fortifiers in various food applications.