In a mixing bowl, mash together banana and all other ingredients. Continue to "mash" ingredients until mixture becomes more liquid.
Spray two small oven safe dishes with cooking spray such as a ramekin or small oven safe glass dishes. Spray well to coat.
Bake for 20 minutes or until toothpick comes out clean. Let cool slightly before handling. Loosen the cakes and flip upside down to remove. Serve with light whipped cream or sprinkle finely chopped peanuts.
Notes
*Serving sizes on these cakes is small and meant to be used as an occasional, special treat. Can decrease carbohydrates by using half a banana and a splash of banana extract.