Banana Cake with Nutella Swirl Buttercream

Sometimes I think my week is going to be filled with smoothies so I buy a great big bunch of bananas. Then, as the week goes on I make about one smoothie and am left with a lot of not-so-great bananas.

I love banana bread but sometimes I’m looking for something a little different to do with my bananas. So, this cake was created. My goal was a fluffy banana cake with a creamy frosting. I went back and forth between the nutella but decided it was a good choice.


The batter mixes up really quickly. You can mash the bananas with a fork or a mixer depending on how big you want your pieces of banana. I wanted them to be almost non-existent in texture so I beat them together first.


From there comes to nutella swirl buttercream. Its really good and it shouldn’t just be limited to this cake recipe. I often dollop it on chocolate cupcakes. You could even swirl some peanut butter in there as well.

dsc_0107So, its not quite a smoothie but whatever.

Banana Cake with Nutella Swirl Buttercream 

For the Banana Cake


2 cups all purpose flour

1 cup sugar

1 tsp baking powder

1/2 tsp baking soda

1 tsp salt

1 cup mashed bananas (about 3 ripe bananas)

1 cup canned coconut milk or regular milk

1/2 canola oil or melted butter

2 tsp apple cider vinegar

1 tbsp vanilla extract


  1. Preheat the oven to 350 degrees fahrenheit and grease a square nine inch cake pan.
  2. In a large bowl combine flour, sugar, baking powder, baking soda and salt. Make a well in the middle of the ingredients and set the bowl aside.
  3. In a separate bowl combine the mashed banana, coconut milk, oil, apple cider vinegar and vanilla.
  4. Add the wet ingredients to the dry ingredients and stir until just combined. Don’t over mix the batter!
  5. Pour the cake batter into the prepared pan and bake for 30 minutes or until a toothpick comes out with just a few crumbs clinging to it. Cakes continue to bake once they have been removed from the oven.
  6. Set the cake on a cooling rack before frosting.

Nutella Swirl Buttercream


1/2 cup butter, room temperature

1 1/2 cups icing sugar, sifted

1/2 tsp vanilla extract

2 tbsps heavy cream

1/4 cut Nutella plus more for swirling (aka as much as you want)


  1. In a mixing bowl beat together the butter and icing sugar for about 3 minutes. Add in the vanilla and heavy cream. Beat this together for another 3 minutes. You want this to be extra fluffy.
  2. Stir in the Nutella. There are a few ways to proceed in this very serious step. You can either swirl it in and leave it semi-mixed in. You can completely incorporate it all. Or you can do both (which is what I chose). I mixed in the 1/4 cup and then frosted my cake. After that I dolloped large scoops of Nutella on top and swirled using a toothpick.

Recipe adapted from Chloe’s Kitchen

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