The recipe for Banana Zucchini Cake Bars is so unique. The unexpected combination of grated zucchini with bananas in cake form then cut into personalized bars with a cream cheese topping and chocolate is phenomenal.

Banana Zucchini Cake Bars on a cooling rack with a cream cheese frosting.

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How to Make Banana Zucchini Cake Bars:

  1. Preheat oven and line a baking pan with parchment paper.
  2. Make cake. In a small bowl combine the flour, cinnamon, baking soda, and baking powder; set aside.
  3. In a large bowl, on medium speed, beat sugar and eggs about 2 minutes, until fluffy.
  4. With a fork mash the bananas. Grate zucchini. Add bananas, zucchini, oil, and vanilla to sugar/egg bowl. Give it a quick mix.
  5. Add half of the flour mixture and mix, add remaining flour and mix well to combine.
  6. Pour batter into the baking pan and bake, Check readiness with a toothpick, it will come out clean if ready.
  7. Prepare cream cheese frosting. Beat cream cheese and powdered sugar until creamy.
  8. Spread cream cheese frosting over the cooled cake.

Step by step pictures of how to make these banana zucchini cake bars with a cream cheese frosting and a chocolate swirl.

Decorate zucchini cake-

Take melted chocolate and place it into a plastic storage bag, snip off an edge of the bag.

With the chocolate, make a few rows atop the cream cheese layer Take a toothpick and make swirls with the chocolate. Refrigerate for an hour.

NOTE: Cake is best if enjoyed the same day.

How to make the chocolate swirls on these banana zucchini cake bars.

These cake bars are great for potlucks or parties as you can serve them individually. The cake comes together rather quickly and is perfect for fall baking and when zucchini is in season. The added cream cheese layer takes the soft cake to a whole new level and chocolate is like the icing on the cake.

Banana Zucchini Cake Bars on a cooling rack with chocolate cream cheese frosting.

Try these other DESSERT recipes: Banana Bread Muffins, Zucchini Banana Chocolate Chip Bread, and Banana Nut Bread.

Tools used to make these Zucchini Cake Bars; piping bag, icing spatula, cooling rack.

Banana Zucchini Cake Bars

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5 from 1 vote
Cake bars made with banana and zucchini layered with a cream cheese frosting and chocolate drizzle. 
Prep Time: 20 minutes
Cook Time: 20 minutes
Total Time: 40 minutes
Servings: 25 bars

Ingredients

Cake-

Cream cheese layer-

  • 8 oz cream cheese, room temp
  • 1/3 cup powdered sugar
  • 1/2 cup chopped milk chocolate, melted

Instructions

How to make Banana Zucchini Cake Bars

  • Preheat oven to 365°F.
  • Line a 9x13 pan with parchment paper. Lightly butter (or spray with baking spray).
  • In a bowl combine flour, cinnamon, baking soda, and baking powder; set aside.
  • In a large bowl, on medium speed, beat sugar and eggs about 2 minutes.
  • With a fork mash the bananas. Grate zucchini. Add bananas, zucchini, oil, and vanilla to sugar/egg bowl. Give it a quick mix.
  • Add half of the flour mixture and mix; add remaining flour and mix.
  • Pour batter into a pan. Bake in a preheated oven at 365°F for 17-20 min. Check readiness with a toothpick, it will come out clean if ready.
  • Completely cool cake.
  • Beat cream cheese and powdered sugar until creamy. Spread cream cheese layer over the cake.
  • Take melted chocolate and place it into a freezer bag, snip off the edge. Make a few lines atop the cream cheese layer with the chocolate. Take a toothpick and make swirls with the chocolate. Refrigerate for an hour. These are absolutely amazingly delicious if enjoyed fresh, meaning the same day.

Nutrition

Calories: 143kcalCarbohydrates: 20gProtein: 2gFat: 6gSaturated Fat: 2gCholesterol: 23mgSodium: 86mgPotassium: 108mgSugar: 13gVitamin A: 160IUVitamin C: 2.1mgCalcium: 24mgIron: 0.6mg
(The nutrition information provided is an estimate and will vary based on cooking methods and brands of ingredients used.)

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