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Banana Zucchini Cake with Coffee Frosting

January 11, 2022

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I am not really a new year’s resolution kind of gal, but something I want to work on, new year or otherwise, is altering my expectations.

Expectations color reality so vividly, sometimes in good ways, but more often than not in negative ones.  If I expect to go to dinner and have one of the best meals of my life and it falls just short, I’m disappointed.  But if I just go to have fun and enjoy myself and not cook, maybe try something new, the result is much more fun and successful.

As a first time author, it was unlikely for my first novel to become a bestseller, even if I hoped, really hoped, it would be one of the rare few to catch a giant audience.  I did fall short, and if was disappointing.  If I just wrote for me and for even one or two people to read it, maybe I would have been happier.  Maybe writing just isn’t for me.  Time will tell.

Even blogging.  As I approach a full decade on this site, I have found a lot of peace doing it for me, to share the recipe I make and love, as an excuse to spend time in the kitchen.  Maybe one day it will become something more, maybe not.  Either way, it’s okay.

I had mixed expectations of this cake.  I’m a fan of Half Baked Harvest’s recipes, but would banana, zucchini, coffee, and carob blend seamlessly into an addictive dessert (or I’m not gonna lie breakfast)?

Turns out, they most definitely did.  Banana goes with everything and zucchini is kind of just along for the ride.  The carob and coffee pair perfectly.  Perhaps it’s the vanilla that ties everything together in a way that makes sure this cake exceeds expectations.

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Banana Zucchini Cake with Coffee Frosting


★★★★★

5 from 1 review

  • Author: Laura
  • Total Time: 1 hour 10 minutes
  • Yield: 12 servings 1x
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Description

An easy to make snack cake that combines zucchini and banana bread and tops them with a creamy frosting.


Ingredients

Scale

Cake

3 cups coarsely grated zucchini

1 ½ cups mashed ripe banana

1 cup olive oil

1/3 cup honey

1/3 cup maple syrup

4 large eggs

2 teaspoons vanilla bean powder

3 cups paleo flour blend (2 cups almond flour, 1 ¼ cups tapioca starch, ¾ cup coconut flour)

2 ½ teaspoons baking soda

1 teaspoon ground cinnamon

2 cups carob or dark chocolate chips

Frosting

2 cups raw cashews, soaked in water overnight

¼ cup pure maple syrup

1/3 cup unsweetened almond milk

2 teaspoons espresso powder

2 teaspoons vanilla bean powder


Instructions

Make the cake.  Preheat oven to 350 degrees F, 325 degrees F convection.  Oil a 9 by 13 inch baking pan.  In a large bowl, whisk together the oil, honey, syrup, eggs, and vanilla.  stir in the flour, baking soda, and cinnamon until just combined.  Stir in the banana and zucchini, followed by the chips.  Pour into the prepared pan and spread into an even layer.  Bake 30-40 minutes, until golden brown and a toothpick inserted in the center comes out clean or with a few moist crumbs.  Cool completely in pan.

Once the cake is cool, make the frosting.  In a high powered blender, place the strained cashews, syrup, milk, espresso, and vanilla.  Blend on high speed, using the tamper if necessary, until silky smooth.  Stop to scrape down and make sure no pieces were missed.

Immediately spread the frosting on top of the cake.  Garnish with walnuts if desired (banana and zucchini bread inspired things always need walnuts if you ask me), slice, and serve.  Cake may be stored at room temperature for up to 3 days or frozen, wrapped in parchment and foil and placed in a zipper bag for up to three months.  Thaw at room temperature about an hour or in the microwave about 30 seconds.

Notes

Recipe adapted from Half Baked Harvest

  • Prep Time: 30 minutes
  • Cook Time: 40 minutes

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Filed Under: Cake Tagged With: Banana, cashews, Coffee, Zucchini

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Comments

  1. Connie Flux says

    January 11, 2022 at 2:07 pm

    Hi – am I missing something? There’s not coffee in this cake is there? It’s a coffee cake in that it tastes good with coffee, not that there is coffee in the recipe?

    Reply
    • Laura says

      January 11, 2022 at 2:39 pm

      Hi Connie! There is espresso powder in the frosting. Only the frosting has coffee in it, though you could definitely add espresso powder to the cake as well. Hope that helps!

      Reply
  2. John / Kitchen Riffs says

    January 12, 2022 at 9:58 am

    This looks nice — neat combo of flavors. We’ve been blogging for about the same amount of time — it can be a bit of a chore at times, but I’m still finding it fun. But I’m doing it only for fun, and nothing more, so it’s still a pleasurable activity for me. Well, most of the time. 🙂

    Reply
    • Laura says

      February 3, 2022 at 1:11 pm

      I almost think you have to do it for fun or it isn’t worth it, unless it really becomes a full time business … not sure I’d complain about that either 😉

      Reply
  3. Debbie Eccard says

    January 17, 2022 at 10:05 am

    I wish I loved to bake because I would make most of the recipes in you blog. They look amazing and taste amazing as I have had a few. I like your “resolution” as we need to make life fun and live in each day. I’m proud of you and the chance you took with your writing. Give it time and see what you might enjoy doing in the future. Happy 2022!!

    ★★★★★

    Reply
    • Laura says

      February 3, 2022 at 1:12 pm

      Awwww thank you so much, Debbie xoxo

      Reply
  4. Jordan says

    August 29, 2023 at 12:52 pm

    I made this for my wife’s birthday. I used a gluten-free flour mix rather than a paleo mix. It was great! I’ll be making it again for sure. The cashew “frosting” was completely new to me. As someone who doesn’t like super-sugary frosting on cakes, this was 10/10. Thanks for the recipe!

    Reply
    • Laura says

      September 26, 2023 at 1:42 pm

      Hi Jordan! I am glad the cake was a hit! I too like that the frosting is not too sweet.

      Reply
  5. Elizabeth de Verneuil says

    September 22, 2024 at 2:00 pm

    Hi Laura, I would like to make this cake but I’m not a coconut fan. Is there another flour I can substitute for the coconut one?
    Can I use regular flour instead?
    Thank you,

    Elizabeth

    Reply
    • Laura says

      September 26, 2024 at 1:42 pm

      Hi Elizabeth! You can absolutely use regular flour! The recipe will be fantastic. I hope you enjoy!

      Reply
  6. Clare says

    March 1, 2025 at 10:52 pm

    Thanks so much for this recipe and your delightful attitude!

    Reply

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Welcome to Pies and Plots. I’m Laura Dembowski, writer, baker, and fashionista sharing recipes, reviews, and tips to inspire you to enjoy life both inside and outside the kitchen.
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