preheat oven to 350

grease and flour two 8in round cake pan

mix flour, baking soda, baking powder, salt, and cinnamon. make a well in the center, add sugar, oil, eggs, and vanilla. mix with wooden spoon until smooth. stir in carrots, and pineapple. ( add 1 cup walnuts if desired)

pour in pans, bake 35 minutes ( center may sink)

cool, frost with cream cheese frosting ( good with vanilla frosting as well)