Heat the oven to 350°F.
Softened butter and sugar should be well combined in a big bowl.
Add the eggs, well-mashed or puréed ripe bananas, lime juice and mix everything well
Pour baking powder and flour into the bowl. Put cinnamon in. Mix well
Fill a glass 12" x 9" pan (that is approximately 2" high) with batter. Sprinkle sesame seeds on top
Bake in 35 minutes, then put a toothpick into the cake and then withdraw to check. The toothpick should go out clean. Bake for five minutes longer if not.
Let it cool before removing from the pan and slicing