Mix together:
1 1/4 cups sugar
1/2 cup vegetable oil
1 egg
3 large very ripe bananas mashed
3 tablespoons buttermilk
Mix:
1 1/2 cups flour
1 teaspoon baking soda
1 teaspoon salt
Add dry ingredients to wet ingredients and stir just to combine, Pour the batter into a 9x9 inch baking pan that has been sprayed with non-stick cooking spray for baking (or butter and flour pan). Sprinkle sugar and cinnamon over the top to cover lightly.
Bake in a 350-degree oven for 35 to 40 minutes, or until a toothpick inserted in the center of the cake comes out clean.
Enjoy with a scoop of vanilla ice cr