Cream together butter, brown sugar, and granulated sugar. Add eggs and vanilla. Combine flour, baking soda, and salt. Gradually add dry ingredients to butter mixture. Stir in both chocolate chips and macadamia nuts, reserving some of each for top of blonde brownies.
Spray PERFECT BROWNIE pan & divider thoroughly with nonstick cooking spray. Spread into PERFECT BROWNIE pan. Press divider into batter and sprinke reserved chocolate chips and nuts over top.