Combine first 5 ingredients in a large bowl; add eggs and oil, stirring until dry ingredients are moistened.
(Do not beat.) Stir in vanilla,pineapple,1 cup pecans, and bananas.
3
Pour batter into three greased and floured 9-inch round cake pans. Bake at 350 for 25 to 30 minutes or until a wooden toothpick inserted in center comes out clean. Cool in pans on wire racks 10 minutes, remove from pans, and cool completely on wire racks.
4
Spread Cream Cheese Frosting between layers and on top and sides of cake; sprinkle ½ cup chopped pecans on top. Store in refrigerator