multi chip cookie bars

Ingredients

• 1/2 cup shortening
• 1/2 cup butter, softened
• 1 cup brown sugar, firmly packed
• 1/2 cup granulated sugar
• 1/2 teaspoon baking soda
• 2 - eggs
• 1 teaspoon vanilla
• 2 1/2 cups all purpose flour
• 1/4 cup butterscotch chips
• 1/4 cup semi-sweet chocolate chips
• 1/4 cup white chocolate chips
• 1/2 cup peanut butter chips
• 1 1/2 cups walnuts, pecans & hazelnuts {filberts}