Add the banana to a mixing bowl and mash it with a fork. Whisk in the eggs, vegetable oil, maple syrup, vanilla extract, and brown sugar until well combined. Next, add the flour, baking soda and salt. Continue to mix until just combined.
1 ½ c all-purpose flour, ½ c brown sugar, 1 teaspoon baking soda, ½ teaspoon salt, 2 ripe bananas, 2 eggs, ½ c vegetable oil, ⅓ c maple syrup, 2 teaspoon vanilla extract