Preheat oven to 350 degrees.
Cut and core the pineapple. Chop half of the pineapple into small chunks. Puree the other half of the pineapple in a food processor until there are no chunks remaining.
Mix wet ingredients in a bowl - pineapple, eggs, and vanilla extract.
Add the dry ingredients: all-purpose flour, white whole wheat flour, sugar, and baking soda. Mix until combined.
Bake for 40 minutes. The cake is best served warm.
Fresh whipped cream / Cool Whip, and/or berries