1Preheat oven to 350 degrees. Lightly coat 2 (8 inch) cake pans with cooking spray. Set aside.
2In a large bowl, combine cake mix, butter, buttermilk, egg whites and extracts. Beat with an electric mixer for 30 seconds, scraping down the sides of the bowl as needed. Beat on medium speed for 2 minutes.
3Fold in crushed pineapple, coconut and one cup pecans. Divide batter into the two cake pans. Bake in preheated oven 31 to 36 minutes or until tester inserted in middle comes out clean. Cool in pans for 10 minutes, then turn out onto wire racks to cool completely
4Frost with Cream Cheese frosting and spread chopped pecans over the top.