Prepare your cookie sheets by spraying them with Pam. You can also use a parchment-lined cookie sheet if you prefer.
In a large mixing bowl, combine the flour, salt, and baking soda. Stir well and set aside. In another bowl, beat the softened butter, white sugar, and brown sugar.
Add the beaten egg to the bowl with the butter and the sugars. Stir it all up. Them stir in the grated orange zest. Stir in the flour, salt, and baking soda mixture and mix well.
Stir in the white chocolate chips. Driop by teaspoonfuls on a prepared cookie sheet, 12 cookeis to a standard-size sheet. Flatten the cookeis in a crisscross pattern with a fork, the way you'd do for peanut butter cookies.
Bake the cookies at 350 degrees for 10 t o 12 minutes. Leave the cookies on the cookie sheet for a minute or two,a dnthen remove them to a wire rack to cool completely.