1/2 lb. butter
1/2 lb. butter flavored Crisco
1 c. confectioners' sugar
1 egg
4 c. flour
1 tsp. vanilla
1/4 tsp. salt

Cream butter, butter flavored Crisco, sugar and egg until well blended. Add flour in 4 additions. Add vanilla and salt.

Using wax paper, form dough into 2 long rolls, and refrigerate until firm. Slice 1/8 inch thick, and bake at 375 degrees for 8 to 10 minutes until delicately brown.