Using
electric mixer, beat butter, brown sugar and powdered sugar in large
bowl until fluffy. Beat in egg and vanilla. Sift flour, baking soda
and salt into medium bowl. Add to butter mixture and beat until blended.
Stir in chocolate chips, macadamia nuts and pecans. Place sheets of
plastic wrap on work surface. Spoon dough in 12 inch long strip down
center of each plastic sheet, dividing equally. Form each dough strip
into 12-inch long log. Wrap in plastic and refrigerate 1 hour. (Can
be prepared 3 days ahead. Keep refrigerated.)
Preheat
oven to 325 degrees. Using sharp knife, cut cookie dough into 1/2 inch
thick slices. Arrange dough slices on large baking sheets. Bake until
cookies are light golden brown, about 14 minutes. Transfer sheets to
racks and cool 5 minutes. (Cookies can be made up to 3 days ahead. Store
in airtight container.)
Makes
about 40 cookies.