Preheat oven to 350° and grease and flour your cake pan(s).
In mixing bowl stir together dry ingredients.
Add oil, eggs, carrot, pineapple, and vanilla. Beat 2 minutes at medium speed.
Bake for approximately 35 minutes for a 9x9x2 pan, 25 minutes for 2 8″ round cake pans.
Cool for 10 minutes in the pan, then invert onto a wire rack and cool completely before frosting.