In a large mixing bowl, cream shortening, sugar, peanut butter, eggs, and vanilla.
Add dry ingredients.
Spread onto large cookie sheet. Bake at 350.
Cool partly before glazing.
glaze
combine water and butter.
Bring to a boil. Remove from the heat and add cocoa. Blend well, then add sugar and vanilla. Beat until smooth, then spread over the dessert. Let cool and cut into bars