Keto Banana Bread


Tastes just as good as traditional banana bread but without the bananas!

4.2 Stars (10 Reviews) 5 Comments

A banana-free, keto banana bread that is spongy, moist and full of walnuts and banana flavor.

Keto banana bread has been a long requested recipe for many of us on a keto diet. When you have excess in bananas, you make banana bread. Just like you make zucchini muffins when you have too much zucchini or pumpkin bread when you have too many cans of pumpkin puree!

It’s hard to find a recipe that is similar to the traditional quick bread recipe that containing ripe banana. This keto banana bread recipe is easy to make and it doesn’t contain any bananas! I used the same trick I used when making banana pudding to deliver that banana flavor. We use a replacement for that iconic banana flavor from overripe mashed bananas. The texture is spongy and moist since it is almond flour based. Plus there are only 2.6 grams per 60 gram slice.

Enjoy a slice of this keto banana bread with your morning coffee as a quick breakfast or an afternoon treat. This moist, low carb bread is keto comfort food at it’s finest!

How to make keto banana bread

  1. Mix dry ingredients – almond flour, protein powder (or coconut flour), baking powder, cinnamon and salt. For optimal texture of your keto banana bread, use a sifter to mix ingredients together and break up clumps of almond flour.
  2. Cream the butter and sweetener.
  3. Mix in remaining wet ingredients – eggs, banana extract and sour cream.
  4. Mix dry ingredients with wet ingredients. Mix in chopped nuts or chocolate chips if desired.
  5. Fill loaf pans lined with parchment paper and bake.

a stack of banana bread slices on a white board with sliced banana nearby

Key ingredients

  • Almond flour – The primary keto flour for this keto banana bread recipe. Almond flour works similar to all-purpose flour but does require some help with texture and structure from our next ingredient – protein powder!
  • Protein powder – This ingredient helps to form a protein matrix to trap air bubbles to keep our banana nut bread spongy and fluffy.
  • Butter – Used to provide moisture and flavor to keep the almond flour banana bread recipe spongy.
  • Eggs – In order to help our quick bread rise, we use eggs which contribute to our protein matrix to help trap air bubbles released from the leavening agent – baking powder.
  • Banana extract – Instead of use ripe mashed bananas, we add a few drops of banana flavoring to turn this keto bread into banana bread!
  • Sour cream  – Added in this recipe to provide moisture to the banana bread and give a little tangy to balance the sweet flavor. Coconut flours, protein powders and keto sweeteners can produce dry, dense baked keto goods. The sour cream will help add fat and moisture to the keto banana bread and help balance out those effects from low carb baking. The sour cream yields a creamy flavor too.If you don’t want to use sour cream in your sugar free banana bread, you can use a full fat greek yogurt or heavy cream.

Keto Banana Bread Recipe Video

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Keto Banana Nut Bread Ingredients

  • 1 ½ cups almond flour
  • 2 scoops unflavored or vanilla protein powder or 1/4 cup coconut flour
  • 2 teaspoons baking powder
  • 1 teaspoon cinnamon
  • 1/2 teaspoon salt
  • 2 1/2 sticks of unsalted butter, softened
  • 1/2 cup sugar free sweetener
  • 4 eggs
  • 1 tablespoon banana extract flavoring or 2-3 dropperfuls banana flavoring
  • 1/3 cup sour cream
  • 1/2 cup chopped walnuts, divided (optional)

Keto Banana Bread Directions

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two baked banana bread loaves in a loaf pan

Banana flavor

This keto banana bread has NO BANANAS in it. Bananas are not keto approved that is why we don’t use them in this low carb banana bread recipe. They are high in natural sugars and carbohydrates; therefore, it’s not advised to use real bananas when making a low carb banana bread recipe.

To make banana bread without using bananas, we use banana flavor extract instead. You can use one tablespoon of this banana extract or you can use concentrated flavor drops by oooflavors. These drops by Oooflavors are more concentrated so you will only need about 1-2 dropperfuls to each the same banana flavor as a more diluted extract.

Chocolate chip banana bread

For a real treat, add some sugar free chocolate chips to the keto banana bread batter before baking it. My favorite keto approved chocolate chips are by ChocZero. Their chocolate chips are delicious and sweetened with monk fruit instead of sugar alcohols.

two slices of banana bread sliced on a wooden cutting board with walnuts and bananas above

Ideal bread loaf pans

In this recipe, I used two 3 x 6 inch small loaf pans. Your can use a larger loaf pan and add all of the keto banana nut bread batter to the large loaf pan. A cake pan works well too if you don’t own a bread loaf pan. However, if making a large loaf or a banana cake, you need to increase the length of baking time as these will take longer to coo

Storage information

Store the banana bread in the refrigerator for up to 5 days.

Or you can freeze it if needed. Wrap tightly in plastic wrap. Then store in a freezer safe bag and freeze for 1-2 months. To thaw, leave at room temperature until no longer frozen.

Keto Banana Bread: FAQS

Are bananas keto?

One medium banana has 27 g total carbs, 24 g net carbs and 14.5 g sugar! Bananas will kick you out of ketosis and are not allowed on keto diet, especially if you eat a whole one in one sitting.

What is a quick bread?

Quick breads are breads that are leavened with baking powder and/or baking soda instead of yeast. That means that they don't take as long to make compared to yeast based breads. Quick breads include muffins, biscuits, scones, cornbread, and certain loaf breads like banana bread, pumpkin bread or zucchini bread.

Can I use coconut oil instead of butter to make this recipe dairy free?

To make this keto banana bread recipe dairy free, you can use coconut oil in place of butter, but use 1 1/2 cups - 2 cups of coconut oil. Replace the sour cream with almond milk or non-dairy yogurt.

Nutritional information & Macros

Nutrition Information

Keto Banana Bread

Servings: 12

Amount Per Serving
Calories 302
Fat 28.4g
Protein 9.5g
Total Carbs 3.8g
Net Carbs 2.2g

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  1. This was a simple recipe and cooked up very pretty. But it was waaaay to much butter for me. I almost got sick trying to eat a piece. I will definitely have to make adjustments should I make this again. Thanks for your efforts.

  2. Awesome banana bread, when l saw the above review l did less butter and it came out pretty good but l think next time l will use less again.
    Overall best keto banana bread so far.

  3. I carefully measured all ingredients to make this and it was waaaaay too much butter and the bread almost crumbles apart very easily. Overall it was ok and decent as far as any type of “keto” bread goes but I’m very picky about banana bread.

    1. You can always decrease the amount of butter. I’ve made it several times and it doesn’t crumble apart. You should let it cool completely before slicing into it.

  4. Made this today, used orange extract instead of banana – great flavor! I also added 1/4 cup finely chopped cranberries – trying to recreate my favorite orange cranberry bread. But I agree with the other commenters, very greasy. I think 1 – 1/2 cubes of butter would be enough, especially with all the fat from the egg yolks. Also I baked it in a regular sized loaf pan – turned out fine but had to increase baking to an hour to set in the middle.

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