Step 1 Heat the oven to 375 degrees.
Step 2 Cream the margarine and butter with the brown and granulated sugars. Add the eggs and vanilla and beat until fluffy.
Step 3In a separate bowl, combine the flour, baking soda and salt and add to the creamed mixture. Stir in the chocolate, white and butterscotch chips along with the nuts.
Step 4Drop rounded spoonfuls of batter 2 inches apart onto a baking sheet. Bake the cookies until they're pale golden brown, 12 to 14 minutes.