Preheat the oven to 350 degrees F. Then, mash the banana is a bowl with a potato masher until it is nice and smooth.
Add all of the dry ingredients together into a bowl, then mix with the wet ingredients. You can also use an electric mixer and mix the batter together on low speed to prevent the batter from being over mixed.
Add the batter into the silicone cake pan. Then, bake in the oven for 55 minutes or until the center is cooked all the way through and the top is slightly golden brown. You can test it out with poking a fork. Allow the cake to completely cool prior to moving out of the pan. It can help to place the cake in the pan on a cooling rack to allow it to completely cool.
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