Cream butter and sugar on medium speed for 5 minutes. Add eggs, one
at a time, and vanilla. Mix on low speed until blended. Combine dry
ingredients. Add to creamed mixture. Mix on low speed until blended.
Add nuts, mix to blend.
Spread mixture evenly in two greased 12x18x2" baking pans. Bake at
325°F for 25 minutes. Cut 5 by 6.
Note: May be baked in one 18x26x2" pan and cut 6 by 10.