Grease 13 x 9 x ... with shortening. Place butter in a 3 quart pyrex ... chocolate chips and peanut butter until melted and well ... wax paper between layers.
Place sugar, milk, butter and salt in large saucepan; ... all vanilla and peanut butter. Beat on medium speed until fudge thickens. Add chopped walnuts if ... 8 inch square pan.