Microwave banana in bowl for 20-30 seconds, then mash banana with a fork until smooth. Mix mashed banana with flour, egg, and optional vanilla extract until it forms a smooth batter.
Heat a skillet over medium heat and mist with oil spray. Once pan is hot, pour batter onto skillet to form 3 pancakes and cook on both sides until golden brown and cooked (about 3 minutes on each side).
Top with 1 teaspoon optional maple syrup for an additional 20 calories.
Nutrition information is calculated using a leading industry software. That being said, brands can vary, and there may be slight fluctuations in the numbers.