This started as my Absolutely Perfect Chocolate Chip Cookie recipe….and ended like this: Yield:  3-4 dozen cookies (depending on size) 1/2 cup butter, softened 1/2 cup vegetable shortening 1/2 cup granulated sugar 1/2 cup brown sugar 1 egg, beaten 1 teaspoon vanilla 2 cups flour 1/2 teaspoon salt 1/2 teaspoon baking soda 1/2 cup white…