Keto Banana Bread | Moist, Low-Carb & Sugar-Free Recipe

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Light and flavourful yet decadent, keto banana bread is the treat you have in mind when you hear banana bread — without the sugar coma and flour bomb that have relegated banana bread to the low‑carb sidelines. By relying on almond flour, a touch of coconut flour, erythritol or allulose and banana extract (or the smallest, tiniest hint of real banana for a whisper of scent but without the carb bomb), you still end up with a nostalgic sweetness and tender crumb and those toasty, nutty edges. This recipe whisks together easily, bakes up moist (from butter and egg), and slices cleanly for breakfast, snacking, or a post-workout bite. It freezes beautifully as well, so you can make a loaf and freeze it on Sunday night and eat it for weeks after.

Keto Banana Bread

Keto Banana BreadRecipe

So let’s dive into the recipe (ingredients, equipment, calories and all the nerdy nutrition stuff) so you can bake with confidence. Here you’ll find a brief, dinner party-friendly equipment list, an easily measured ingredient lineup, and step‑by‑step directions with bolded headers for where to glance if you need while you bake. I’ll also add tips on the preparation to keep your loaf super‑moist (without it sinking in the middle) how to swap out sweeteners, as well as what to do if you only have coconut flour. Finally, there’s a rapid nutrition graph and five rapid‑fire FAQs so you can troubleshoot on the fly. Ready? Apron on, oven preheating — we’ve got this!

Keto Banana Bread

Keto Banana Bread

Moist, buttery, and perfectly sweet, this keto banana bread delivers classic flavor with just ~4g net carbs per slice. Simple ingredients, one bowl, and freezer-friendly convenience.
Prep Time 10 minutes
Cook Time 45 minutes
Resting Time 10 minutes
Total Time 1 hour 5 minutes
Servings: 1 Person
Course: Dessert
Cuisine: American
Calories: 220

Ingredients
  

  • 2 cups almond flour
  • 2 tbsp coconut flour
  • 1 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp fine sea salt
  • ½ cup (100 g) granulated erythritol/allulose (or to taste)
  • 4 large eggs, room temperature
  • ½ cup (113 g) unsalted butter, melted & slightly cooled (or coconut oil)
  • ¼ cup unsweetened almond milk (or heavy cream)
  • 2 tsp banana extract (or 30–40 g very ripe banana, mashed, if your carbs allow)
  • 1 tsp vanilla extract
  • ½ cup chopped walnuts/pecans,
  • 1 tsp cinnamon

Equipment

  • 1 9×5-inch loaf pan (or 8.5×4.5-inch)
  • 1 Parchment paper & nonstick spray/butter
  • 1 Mixing bowl + whisk (or hand mixer)
  • 1 Rubber Spatula
  • 1 Measuring Cups & Spoons
  • 1 Wire rack
  • 1 Toothpick or cake tester

Method
 

  1. Preheat & prep: Preheat oven to 175°C (350°F). Line a loaf pan with parchment, allowing for overhang “handles.
  2. Mix dry ingredients: In a large bowl, stir together almond flour, coconut flour, baking powder, baking soda, salt, and sweetener until no lumps are left.
  3. Whisk wet ingredients: In another bowl, beat together eggs, melted butter, almond milk, banana extract and vanilla.
  4. Combine: Stir the dry ingredients into the wet ingredients and fold together with a spatula just until combined. Batter will be thick—don’t overmix. Fold in nuts/cinnamon if using.
  5. Bake: Transfer to the pan, smooth the top and bake 40 to 50 minutes until golden and a toothpick comes out mostly clean (a few moist crumbs are OK).
  6. Rest & slice: Cool in pan 10 minutes, then lift out, and cool completely on rack before slicing so they don’t crumble.

Notes

  • You want to keep the eggs at room temperature and the batter warm so that the butter doesn’t seize.
  • A hint of banana extract is used to keep carbs ultra‑low; real banana can bump up carbs fast.
  • Measure the flours by weight for best texture — almond flour packs unevenly by the cup.
  • Tent with foil at the 30-minute mark if the top browns too quickly.
  • Cool it to room temperature before slicing; keto loaves set as they cool.
  • Wrap up slices individually and freeze them so you always have an instant snack in portion-friendly form.

Keto Banana Bread Nutrition

Nutrient Amount
Calories ~220 kcal
Fat ~18 g
Saturated Fat ~6 g
Carbohydrates ~7 g
Fiber ~3 g
Net Carbs ~4 g
Sugar ~1 g
Protein ~7 g
Sodium ~180 mg

Frequently Asked Questions

Ques: Can I make it dairy-free?
Ans: Yes—swap butter for coconut oil and use almond milk.

Ques: Can I skip coconut flour?
Ans: You can, but add ~3–4 tbsp more almond flour to compensate.

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    Ques: Is banana extract keto?
    Ans: Yes—flavor extracts contribute negligible carbs.

    Ques: How do I store it?
    Ans:
    Airtight in the fridge up to 5 days or freeze up to 3 months.

    Ques: Why did it sink?
    Ans: Usually underbaking, old leaveners, or slicing before it fully cooled.

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