KETO Banana Nut Bread {Marbled with cocoa!}

This healthy, marbled keto banana nut bread is made with only a few simple ingredients. Almond, cocoa and cinnamon combine for the perfect sweet bread, but without all the carbs!

marbled slices of keto banana nut bread in a pile with loaf
sweet and savory

I’ve made banana bread for years and there’s just something comforting about that special blend of spices and aromas that fill your house. I tend to make sweet recipes like cookies, or cake when I need a pick me up.

loaf of banana nut bread with almonds
almonds + cinnamon are great together

Carbs in Bananas

Do bananas have carbs? Of course, they’re a sweet fruit. And, there are no “keto foods” as long as everything fits into your macros for the day, you’re find eating bananas on the keto diet.

overhead view of baked banana bread with chocolate swirls and almonds
almonds are a healthy superfood and pair perfectly with bananas

How many carbs per banana?

If you’re on the keto diet, you know net carbs are what counts. A medium banana has around 24 g. net carbs. A small banana has about 20 grams net carbs.

close up of a slice of swirled banana bread
sweet, soft and fragrant

How many carbs per slice of banana bread?

Each piece of this banana nut bread loaf contains 8 g. net carbs, perfectly fine if you budget it into your daily goals.

Are bananas healthy?

Bananas are high in: fiber, vitamin B6, vitamin C, potassium and magnesium and each is around 100 calories.

healthy, simple ingredients

Recommended ingredients

  • mashed banana (about 2 large bananas)
  • eggs
  • erythritol (replace with ½ cup granulated sugar or monk fruit)
  • oil (sunflower or canola)
  • almond flour
  • cocoa powder
  • vanilla extract
  • cinnamon
  • baking powder
  • salt
open slice of marbled healthy banana nut bread
gooey and soft

Ingredient substitutions

The marbled version of this recipe is delicious, but you could modify it by adding some chocolate chips or chopped walnuts or pecan nuts.

If you’re using chocolate chips, I recommend Lily’s brand.

How to quickly ripen bananas

Ripe bananas work best for making banana bread.

No ripe bananas?

Preheat the oven to 300 degrees farenheight and Place whole bananas on a baking sheet lined with foil and bake them for about 17 minutes, checking a few minutes before.

banana nut bread in pan on a pale napkin
don’t forget to butter your pan or use parchment paper

How to make marbled banana bread

This simple recipe can be made in 3 easy steps:

  1. Preheat and combine ingredients in a bowl.
  2. Remove some of the batter to make cocoa batter (for marbled swirls).
  3. Bake!

FAQ

How do I store leftover banana bread?

Keep leftovers in an airtight container in the fridge for up to five days, it will remain moist and delicious.

thick marbled slices of moist banana bread
rich banana bread

Can I freeze baked banana nut bread?

Freeze it by pieces with plastic paper and reheat in a toaster oven, skillet, or thawed on the countertop for at least 3 hours.

Can I make this with coconut flour?

If you’re a fan of coconut flour, yes you can use it for this recipe. However, the texture will be a more spongy. Substitute the almond flour in this recipe for 1½ cups coconut flour if that’s all you have on hand.

three slices of banana bread stacked in a pile on a wooden cutting board

Tips

  • The chocolate is mild; add one more tbsp of cocoa powder if desired.
  • Spotted, very ripe bananas to get the best out of this recipe.
  • Baking it at 350F –  375F is possible for faster bread, but reduce the baking time to 35-40 minutes.
three slices of marbled banana bread loaf

Keto Banana Nut Bread (Marbled)

Amber @ Low Carb Quick
This low carb/keto friendly keto marbled banana nut bread is made with simple, healthy ingredients. The cinnamon, nut, and cocoa flavors combine for the perfect treat.
5 from 1 vote
Prep Time 15 mins
Cook Time 50 mins
Total Time 1 hr 5 mins
Course Dessert, Snack
Cuisine American
Servings 9
Calories 289 kcal

Equipment

  • loaf pan

Ingredients
  

Instructions
 

  • Pre-heat oven to 325F and grease an 8’’ loaf mold with butter. Set aside.
  • Beat the eggs in a medium bowl. Add oil, mashed banana and sweetener. Whisk to combine. 
  • Add vanilla extract, baking powder, cinnamon and salt. Mix until combined.
  • Add almond flour, cup by cup. Stir with spatula until well combined.
  • Separate ⅓ to ½ of the batter into a small bowl. Add one tablespoon of cacao powder. Stir to incorporate.
  • Take the prepared mould and spoon some of the banana batter on the inside, then add cacao batter and cover with the rest of the banana batter. Shake the mould to level the batter evenly.
  • Bake it at 325F for 50 minutes or until an inserted toothpick comes out clean or with tiny (insignificant) lumps, as it’ll finish cooking with its own heat.
  • Let it cool completely before serving or it could break apart.

Notes

Tips
  • The chocolate taste is mild, so add one more tbsp of cacao powder if desired.
  • Choose spotted very ripe bananas to get the best out of this recipe.
  • A slow baking makes the loaf cake very moist and its edges soft, but baking it at 350F –  375F is possible, you’ll need to reduce the baking time to 35-40 minutes.
  • Keep leftovers in an airtight container in the fridge for up to five days, it will remain moist and delicious.
  • Freeze it by pieces with plastic paper and reheat in a toaster or a skillet.
Recipe Notes
Since I’ve tried this recipe I’m never going back to its traditinal alternative, this one is even better! Super moist and satisfying, but without the unnecessary carbs! The marbled version is delicious, but you could modify it by adding some chocolate chips or chopped walnuts or pecan nuts.

Nutrition

Serving: 1sliceCalories: 289kcalCarbohydrates: 12gProtein: 10gFat: 25gSaturated Fat: 2gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gTrans Fat: 1gCholesterol: 62mgSodium: 90mgPotassium: 219mgFiber: 4gSugar: 3gVitamin A: 101IUVitamin C: 1mgCalcium: 142mgIron: 2mg
Keyword banana bread with cocoa, keto banana bread, low carb banana bread, marbled banana bread, swirled banana bread
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