350 degree oven. Coat a 9x 13" pan with cooking spray.
In medium bowl, sift together flour, malted milk powder, baking powder, and salt. In a large bowl, add melted shortening to sugar. Add eggs; mix well. Add milk, vanilla, nuts, and flour mixture. Mix well and pour into prepared baking dish.
Bake 25 - 30 minutes. Mark into bars while hot. Remove from pan when cool.
Note: Add 1 cup butterscotch chips for a truly rich flavor. DELISH!