Home Cake Simple Banana Cake with Sour Cream Frosting

Simple Banana Cake with Sour Cream Frosting

by Laura

A few weeks ago, I had some bananas that needed to be turned into something.  I wanted to make a sweet treat and this simple banana cake is what I ended up creating.  It is delicious.  I think my husband finished off half the cake himself.

The cake is moist and flavorful.  The sour cream frosting was the perfect accompaniment.  The sour cream gave the sweet frosting just enough tang.  You could even turn the banana cake into a sheet cake.  Just be sure to double the frosting.

Remember that I will be appearing on Studio 5 today at 11 am!

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Simple Banana Cake with Sour Cream Frosting | realmomkitchen.com

Simple Banana Cake with Sour Cream Frosting


Ingredients

Scale
  • 1 box vanilla cake mix
  • 3/4 cup water
  • 1/4 cup oil
  • 3 whole eggs
  • 3/4 tsp. baking soda
  • 1 tsp baking powder
  • 4 very ripe mashed bananas
  • 2 1/2 cup powdered sugar
  • 1/3 cup sour cream
  • 1/4 cup butter, softened
  • 3/4 tsp. vanilla

Instructions

  1. In a large bowl, add the cake mix, water, oil, eggs, baking soda, and baking powder.
  2. Beat with a mixer for 2 minutes on medium speed. Add bananas and blend well.
  3. Grease & flour a 9 x 13 pan. Add batter to the pan and bake following the instructions on box.
  4. Cool cake after baking.
  5. In another bowl, add the powdered sugar, sour cream, butter, and vanilla. Beat with an electric mixer for 2 minutes, or until smooth and fluffy.
  6. Frost cake with frosting. Store cake in the fridge.
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7 comments

Laura August 11, 2017 - 9:40 am

I made this cake last night…both my daughter & my husband told me that it’s absolutely delicious. Only thing I did different was used cream cheese instead of sour cream in the frosting. Recommend!!!

Reply
Vicki Chamberlain April 29, 2014 - 4:05 pm

I am going to make this recipe. I am assuming that the bananas get added along with the other ingredients even though it does not state that in the instructions.

Reply
Magsie March 15, 2012 - 10:18 am

I have been looking for a good banana cake recipe! I can’t wait to try this.

Reply
Deborah March 14, 2012 - 4:41 pm

I’m always looking for new ways to use bananas – love this!

Reply
Patrice March 14, 2012 - 11:02 am

yum! I’ve got 3 ugly bananas just waiting to be used up so I’m trying this this afternoon.

Thanks! Love your recipes!

Reply
Cookin' Canuck March 14, 2012 - 10:59 am

I adore banana cake/muffins/etc. and this cake looks so moist. Good luck on Studio 5 today!

Reply
Heather of Kitchen Concoctions March 14, 2012 - 10:28 am

This cake looks wonderful! I am always looking for new ways to use up those old bananas! Good luck on your news segment!

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