Cinnamon Sugar Zucchini Banana Bread

5 from 4 votes
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I took my Mom’s Banana Bread recipe and turned it into an EASY Zucchini Banana Bread – this recipe was SO good and simple and it disappeared fast!

The cinnamon sugar topping is a game changer – and it made this bread out of this world!

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Cinnamon Sugar Zucchini Banana Bread close up sliced

It’s ZUCCHINI season! Do you have zucchini in your garden? I wish I could say I did. We used to plant vegetables and then a couple years ago things got busy in spring and we didn’t plant. Then the bed got overgrown…and now it’s gone altogether and there is new concrete in it’s place.

But, no worries, they sell zucchini at the store. So regardless of whether you have a garden or not, you can make this easy banana bread with zucchini!

Cinnamon sugar zucchini banana bread is so easy to make and delicious to eat!

How to make Zucchini Banana Bread

If you’ve ever wondered can bananas be put in zucchini bread or can zucchini be put in banana bread, then this is the recipe for you!

I started this recipe with my mom’s banana bread recipe and combined the idea of zucchini with my cinnamon sugar blueberry banana bread recipe. I love quick bread recipes – I have so many on this site and love each and every one.

It was easy to switch my normal banana bread recipe to a zucchini banana bread: all I needed to do was reduce the banana and add shredded zucchini. This results in a delightfully tasteful banana bread with a hint of zucchini. The zucchini is a vegetable which makes this bread a vegetable, yes?

Plus the cinnamon sugar topping – that’s the best part. It gets crunchy  in the oven and adds so much delicious flavor to the top of the bread.

Cinnamon Sugar Zucchini Banana Bread overhead shot of slice

Tips for making the perfect quick bread

  • I like to use really overripe “tired” bananas. Did you know that when your bananas get spotty you can freeze them? I cleaned out my freezer the other day and found about 2 dozen frozen bananas. They turn brown, slimy and gross looking, but they work amazing in baked banana recipes. Just defrost before adding to the batter.
  • I love using sour milk in my banana bread. This just means you need to add some vinegar to your milk beforehand, to make it “sour”. You can also use buttermilk instead, or if you can even use almond, coconut, or soy milk. In that case, just add vinegar to the mixture to help activate the baking soda.
  • Shred your zucchini using a regular box grater. One small/medium is about 1 cup.
  • Liberally sprinkle the top with cinnamon sugar – you won’t be sorry!

FAQ about making my Zucchini Banana Bread Recipe

Why do you use sour milk/buttermilk?

The sourness of the milk (the acid in the buttermilk) activates the baking soda, helping the bread to rise. If you don’t have buttermilk make your own by adding vinegar or lemon juice to milk.

Can I make this dairy free bread?

Yes, you can substitute any non-dairy milk, but you need to add 1 tsp vinegar or lemon juice to activate the baking soda.

Do you squeeze water out of zucchini for bread?

I never have to, it seems that the zucchini isn’t too wet. But if yours seems wetter then normal, then go ahead, it won’t hurt.

Why did my zucchini bread collapse?

There could be a few reasons:
1. Since this bread is leavened with baking soda, you need to bake it right after mixing. Baking soda begins activating right when you add the acid (the buttermilk) so it should be baked immediately.
2. You may have over mixed it or mixed too vigorously.
3. Is it baked all the way? If you didn’t bake it all the way it will collapse as it’s cooling.

How do I know if my quick bread is done?

Do the toothpick test in the center of the bread. It should come out with just a few crumbs stuck to it when it’s done.

Can I add chocolate chips or nuts to zucchini banana bread?

Yes! Add 1 cup of either to the bread before it goes into the pan.

Can I make this gluten free quick bread?

Yes – I’ve had success substituting Bob’s Red Mill one to one gluten free AP flour (in the light blue bag).

Other favorite quick bread recipes

Cinnamon Sugar Zucchini Banana Bread

Cinnamon Sugar Zucchini Banana Bread – an easy banana bread recipe with zucchini and a crunchy cinnamon sugar topping baked right in. This is the perfect banana bread recipe!
5 from 4 votes
Prep Time 20 minutes
Cook Time 50 minutes
Total Time 1 hour 10 minutes
Yield 8 servings
Serving Size 1 serving

Ingredients

  • 1 cup granulated sugar divided
  • 1/2 cup vegetable oil
  • 1/4 teaspoon salt
  • 1 medium overripe banana
  • 2 large eggs
  • 5 ounces buttemilk/sour milk (7 tablespoons)
  • 1 teaspoon vanilla extract
  • 1 teaspoon baking soda
  • 2 teaspoons cinnamon divided
  • 2 cups all purpose flour
  • 1 cup shredded zucchini about 1 medium

Instructions

  • Preheat oven to 350°F. Grease a 9x5x3” loaf pan with nonstick cooking spray.
  • Stir oil and ¾ cup sugar with a wooden spoon. Add bananas, eggs, milk, vanilla, 1 teaspoon cinnamon, and baking soda and mix until almost smooth (there will be some lumps from the banana).
  • Mix in flour until just incorporated, then stir in zucchini. Pour into prepared pan.
  • Combine ¼ cup sugar and 1 teaspoon cinnamon in a small bowl. Sprinkle evenly over the top of the batter.
  • Bake for 40-50 minutes3 until a toothpick comes out with just a few crumbs. The edges will be a dark brown and there will be a nice crack down the center.
  • Cool completely before removing loaf from pan, but you can cut slices from the pan after it’s cooled for about 15-20 minutes.

Recipe Video

Recipe Notes

  • In place of vegetable oil you can also use ½ cup softened unsalted butter.
  • In place of sour milk you can use buttermilk. Make your own buttermilk if you don’t have it.
  • You can use dairy-free milk (i.e. almond milk) but then add 1 tsp vinegar or lemon juice to the batter.

Nutrition Information

Serving: 1serving | Calories: 370kcal | Carbohydrates: 54g | Protein: 5g | Fat: 16g | Saturated Fat: 12g | Cholesterol: 42mg | Sodium: 233mg | Potassium: 159mg | Fiber: 2g | Sugar: 28g | Vitamin A: 121IU | Vitamin C: 4mg | Calcium: 33mg | Iron: 2mg

Nutritional information not guaranteed to be accurate

Course Breakfast
Cuisine American
Keyword banana, bread, quick bread, zucchini

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sliced zucchini bread

Zucchini Banana Bread is an easy quick bread recipe. This is the BEST banana bread with zucchini and can be made dairy free or gluten free!

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19 CommentsLeave a comment or review

  1. Oh My Goodness this is good! I accidentally left salt out too and it was fine.
    I added finely chopped apple and pecans and baked two small loaves and several muffins from this batch. Love the crunchy Cinnamon topping. I used brown sugar for this instead of white so it tasted more like my cinnamon roll topping.
    Will definitely make this again.

  2. I will bake a ” Cinnamon Sugar Zucchini Banana Bread” tonight. Thank you for you r recipe..Very appreciate.
    Kind regards,
    Mila

  3. This bread came out great. I used 7 tablespoons of plain yogurt instead of sour milk. It was moist and delicious. Thanks for the recipe.

  4. Made this today but after I got it in the oven I noticed that there was no salt listed in the instruction part but there was salt listed in the ingredients are above hope it turns out.Made this today but after I got it in the oven I noticed that there was no salt listed in the instruction part but there was salt listed in the ingredients are above hope it turns out

  5. I am planning on making it today. Is it necessary to peel the zucchini and drain the liquid from the zucchini? I am assuming draining the liquid is not needed since it will lend moisture to the cake and I also see green specs in the pictures, so I think you did not peel the zucchini.