Preheat oven to 350.
Line a 9x9 round cake pan or 8x8 baking dish with parchment paper.
You'll have to oil the inside so the parchment sticks.
In a medium bowl, combine the dry ingredients and set aside.
Next, in a blender, add all the wet ingredients, including the banana and eggs, and blend until smooth (about one minute).
Pour blender contents into the bowl with dry ingredients.
Stir well and then pour batter into your baking dish
Bake 22-23 minutes.
Let cool and then frost with your favorite vanilla frosting and sliced strawberries.