Preheat oven to 350 and spray a 12 muffin pan with non-stick baking spray. In a large bowl, mix oil, Bananas, vanilla, sugar, pumpkin, and eggs. Mix till smooth. Slowly mix in flour mixture.
Sift together flour, salt, baking soda, baking powder, cinnamon, and set aside.
In a large bowl, mix oil, Bananas, vanilla, sugar, pumpkin, and eggs. Mix till smooth. Slowly mix in flour mixture.
Pour batter into muffin tins so they are about ¾ full. Bake for 20 minutes. Test muffins by inserting a toothpick into the center. The toothpick should have a few light crumbs when removed.