Keto banana blueberry bread with a sliced piece.

Keto Banana Blueberry Bread Recipe

Keto Banana Bread with Blueberry Recipe

This Keto banana bread is one of the best low carb bread recipes I’ve ever made. It’s moist and doesn’t taste healthy or low carb at all. The blueberries add wonderful flavor and texture. Once you try it, you’ll be making this every week and will surely blow you away!

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Keto Banana Blueberry Bread Recipe

How do you make keto banana bread?

Most banana bread recipes are not what you’d consider low carb or right for a keto diet. The reason for this is most recipes have a ton of sugar and use regular wheat flour. I found a few recipes that have 45 grams of carbs or more.

To make this low carb banana bread, I substituted regular wheat flour with almond flour. Yes, this is an almond flour banana bread. Almond flour has a nutty flavor as you can imagine. That’s because it’s made of ground up almonds. This is perfect for banana bread because of the nutty flavor.

I thought about using coconut flour instead of almond flour. The problem I found is that coconut flour absorbs lots more fluid than almond flour. Worse, coconut flour has roughly 3 times the net carbs of almond flour. For me, the almond flour is also easier to switch with regular flour where coconut flour requires more effort to ensure the amount of liquid is okay since it absorbs so much more. Please note, if you are watching your saturated fat levels, coconut flour has way more fat and a bit more saturated fat than almond flour.

Yes, I still use ripe banana in this keto banana bread recipe as well as blueberries. So the carb count is a bit high so please don’t try to eat the whole loaf in one sitting like I tried to do the first time I made it lol. If you’d like to reduce the net carbs, substitute 2 teaspoons of banana extract for the mashed banana.

When I tried to lower the carb count by using banana extract instead of real banana, the texture and flavor was pretty good. It didn’t have the intense banana flavor that regular banana bread has, but it was almost as good. You can leave out the blueberries if you’d like to help lower the carb count as one blueberry has 9 net carbs. Yes, just one blueberry.

The biggest thing to make this keto bread is the use of stevia instead of sugar. Stevia is perfect sweetener for baking and adds the sweetness that a good banana bread should have. When you hear this is a “sugar free banana bread” you’d expect it to not be sweet. But I’ve found that stevia is much sweeter than regular sugar without all the net carbs. Some say it’s like 200 to 400 times sweeter. Not sure my keto diet taste buds can tell what 200 times sweeter is, but I definitely use less than when I used regular sugar.

I was asked if olive oil could be substituted for the butter in this recipe. I searched and found that it would be a straight swap as this recipe calls for melted and cooled butter. Olive oil has healthier fats than butter so it may be something to try.

How many carbs in keto banana bread?

Keto banana blueberry bread with a sliced piece.
Keto banana bread with blueberries. So tasty !

Yes, this keto banana bread has more net carbs than most of my other low carb desserts. With the mashed banana and blueberries, this low carb banana bread recipe has 90 net carbs per serving, which is 1/4 of the loaf that is made in this recipe. Like we already talked about, adding real banana ups the carb count.

As I was creating this low carb recipe, I found using Stevia as the sweetener definitely helps reduce the carbs. While this is a sugar free banana bread, you’d never know it doesn’t have all the sugar that regular banana bread has. You can also leave out the blueberries to help lower the carb count and reduce any blood sugar spikes. I tried this once because I forgot buy blueberries so I used more walnuts. The recipe calls for 1/4 cup of chopped walnuts and 1/4 cup of blueberries. I added almost 1/2 a cup of chopped walnuts and it turned out pretty good. I just really like the texture and flavor that blueberries add.

Can you use this recipe to make muffins?

Yes ! I tried it once. To make banana bread muffins, fill a muffin pan with the wet ingredients not more than 3/4 of the way full. Since there is less wet ingredients to bake, the baking time needs to be reduced too. Bake them about 1/4 of the time (40-45 minutes for the full loaf). This means start checking them at the 10 minute mark in the oven.

Please also try my low carb banana bread muffins recipe.

Low carb banana muffins are so good -- love them as a nice change from eggs!
Low carb banana muffins. So good and so low carb.

Note that this is a quick bread. That means it mixing baking powder instead of yeast into the dry ingredients. So you don’t have to wait for the wet ingredients to rise from the yeast. The baking powder or baking soda levels quick bread.

Keto banana blueberry bread with a sliced piece.
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Keto Banana Blueberry Bread

This banana bread is one of the best low carb bread I've ever made. It's moist and doesn't taste healthy or low carb at all. You would be making this every week and will surely blow you away!
Course Bread
Cuisine American – low -carb
Keyword bread, keto, low carb
Cook Time 1 hour
Total Time 1 hour
Servings 4 people
Calories 430kcal
Author Katherine Peters


  • 1 1/2 cup blanched almond flour
  • 1 1/2 Banana save the other half for decorations
  • 3 eggs
  • 2 tbsp butter melted and cooled
  • 1/4 cup stevia
  • 1/2 tsp cinnamon
  • 1 tsp baking powder
  • 1/4 cup walnut crushed
  • 1/4 cup blueberry
  • 1/2 tsp vanilla extract


  • Preheat the oven to 355 degrees F. Line loaf pan with parchment paper all the way to the sides.
  • Mash 1 banana in a large size bowl (do not mash the other half, we are going to use it for decoration). Add in eggs, vanilla extract and melted butter. Stir well with a hand whisk until combined.
  • In another bowl, mix together almond flour, stevia, cinnamon, and baking powder. Add to the bowl of the banana mixture and stir to combine. Fold in blueberries.
  • Transfer banana mixture to the prepared loaf pan, spread the top evenly using an offset spatula. Add the banana on top and sprinkle with crushed walnut all over the top.
  • Bake for 40-45 minutes or until the toothpick comes out clean. Start checking at minute 30. Remove from the oven and let it completely cool before taking out of the pan.


1. Feel free to use any other toppings for garnish, like almonds, sugar-free chocolate chip, etc.
2. If the top of the bread is brown enough before it’s cooked through, simply cover the top with aluminum foil.
3. It is very important to use ripe bananas or even overripe banana.
4. If you want to lower the net carb count, you can substitute 2 tsp of banana extract for the mashed banana.  You can also swap the blueberries for more walnuts as well.


Calories: 430kcal | Carbohydrates: 22g | Protein: 15g | Fat: 35g | Saturated Fat: 7g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 3g | Trans Fat: 1g | Cholesterol: 138mg | Sodium: 94mg | Potassium: 348mg | Fiber: 6g | Sugar: 8g | Vitamin A: 389IU | Vitamin C: 5mg | Calcium: 164mg | Iron: 3mg

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