Slow Cooker Banana Nut Cake


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Banana Cake in the slow cooker? YES! This Slow Cooker Banana Nut Cake is moist and dense and is topped with cream cheese frosting.

You may also want to try my banana bread recipe which is just as good as this!

cooled banana cake in slow cooker in 8 slices.
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Over on my YouTube channel I had a few requests to make more desserts, and of course I had to make time this week for a new dessert recipe. This cake turned out amazing!!

yellow cake, eggs, bananas, vanilla, butter, pecans, and water in front of slow coooker.

The slow cooker cooked it perfectly, the cake rose nice and tall but still had a moist dense texture.

Yellow bowl with banana cake batter in it.

I let the cake cool, then made a homemade cream cheese frosting. Let me tell you it was very nice to have this cake available to eat for a few days, it went great with coffee.

finished cooking banana cake in slow cooker, no frosting on it.
sliced banana nut cake in slow cooker

More cake recipes to make in your slow cooker:

close up of banana nut cake with 2 slices missing.

What is your favorite dessert to make in the slow cooker? I would love to know! Leave a comment below.

slice of banana cake on grey plate.

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Banana cake in slow cooker with cream cheese frosting and banana slices on top.

Slow Cooker Banana Nut Cake

5 from 3 votes
Prep Time: 25 minutes
Cook Time: 2 hours 30 minutes
Total Time: 2 hours 55 minutes
Servings: 8
This cake is very moist from cooking in the slow cooker. Let this cake cool completely and top with my amazing cream cheese frosting.

Ingredients 
 

  • 15.25 oz. yellow cake mix, (I use Pillsbury)
  • 1/2 cup salted butter,, melted
  • 2 bananas, , mashed (this is about 1 cup measured)
  • 3/4 cup water
  • 1 tsp. vanilla extract
  • 3 large eggs
  • 1/2 cup chopped walnuts,, divided

For the frosting

  • 8 oz. cream cheese, (room temperature)
  • 1/2 cup salted butter (1 stick), (room temperature)
  • 1 cup powdered sugar
  • 1 tsp. vanilla
  • 1 Tbsp. milk

Instructions 

  • In a large bowl add the cake mix, melted butter, mashed bananas, water, vanilla extract, and eggs. Whisk until combined, do not worry if there is a few lumps left of cake mix, that is normal. Add about 3/4 of the nuts and stir again. (Saving some nuts for topping the frosting)
  • Spray the slow cooker very well with non-stick spray. Add the batter to the slow cooker and smooth out to a flat layer.
  • Cover and cook on HIGH for 2.5 hours, do not open the lid during the cooking time.
  • When the cooking time is done. Remove the insert out of the heating unit. Set the ceramic on a cooling rack. Let cake cool completely, this may take a few hours. To speed up the process after the ceramic isn’t piping hot, you can put it in the fridge to cool.
  • When the cake is cooled, start making the frosting. You can use a stand mixer, or a handheld electric mixer.
  • Blend together the cream cheese and butter until combined. Add the powdered sugar, vanilla and milk. Blend until smooth, scrape down the sides of the bowl and blend again.
  • Spread the frosting on the cooled cake. Sprinkle with reserved nuts. Slice and serve.

How to Video

Sarah’s Notes

Nutritional values are approximate, please use your own calculations if you require a special diet. The values below are based on 1/8 of the entire recipe.

Nutrition

Calories: 659kcal | Carbohydrates: 68g | Protein: 7g | Fat: 40g | Saturated Fat: 21g | Cholesterol: 153mg | Sodium: 713mg | Potassium: 225mg | Fiber: 1g | Sugar: 43g | Vitamin A: 1200IU | Vitamin C: 2.6mg | Calcium: 169mg | Iron: 1.8mg

Nutrition info is auto-generated. This information is an estimate; if you are on a special diet, please use your own calculations.

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19 Comments

  1. Madelyn Sprague says:

    I have not tried any of your recipes yet but so look forward to trying two of them very soon. Thanks so much for using the crockpot as I love to cook this way with everything.

  2. Doreen Flores says:

    5 stars
    Thanks. It was delicious.

  3. Gina says:

    5 stars
    People at work were amazed how good it was and then when I told them I cooked it in a crackpot…minds blown

    1. Sarah Olson says:

      It really is a magical recipe!! I agree, can’t tell it was cooked in the crockpot!

  4. Velda says:

    Looks yummy!!