Looking for a moist, soft, and warmly sweet blondie that brings all the bold flavor of classic banana bars—without sugar, flour, or unnecessary carbs? These Keto Banana Blondies are exactly what you need. With their golden almond flour base, creamy mascarpone finish, and signature cinnamon richness, this low-carb version delivers all the comfort of your favorite bakery treat—in a keto-approved, gluten-free format.
Perfect for holiday baking , meal prep snacks , or when you’re in the mood for something sweet but staying in ketosis, these fudgy blondies use simple ingredients like mashed banana, powdered erythritol, and crushed pecans to bring bold Mediterranean-meets-American flavor into your kitchen. Whether you’re doing strict ketosis , following a low-carb lifestyle , or simply love warm, handheld desserts with depth and crunch, these banana blondies will quickly become a go-to treat in your weekly rotation.
In this article, we’ll walk you through how to make these perfect keto banana blondies from scratch , explore ingredient substitutions, offer serving ideas, and answer your most common questions. Let’s dive into the world of soft, gooey, plant-based bliss!
Why You’ll Love These Keto Banana Blondies
These aren’t just any old brownies—they’re a sweet-banana, crunchy-outside, soft-inside delight made with real ingredients that bring bold texture and taste together beautifully—in under 30 minutes!
Here’s why they stand out:
- 🍌 Bold banana flavor : Made with mashed ripe bananas or banana extract for natural sweetness and moisture.
- 🥣 Easy to make : Just mix, press, and bake—no mixer required!
- 🧄 Butter-finished magic : Enhances flavor and gives a silky finish without heaviness.
- 🍯 Naturally sweetened : Uses powdered erythritol or monk fruit for clean finish.
- ⏱️ Ready in under 25–30 minutes
- 🧁 Great for gifting or freezer storage
- 🧼 Minimal cleanup : One bowl = zero mess!
Whether you’re making them for yourself after dinner, packing for lunch, or sharing at a weekend gathering, these blondies will quickly become a go-to handheld dessert or breakfast booster.
Ingredients You’ll Need
For the Blondie Base:
- 2 cups almond flour
- 1/4 cup coconut flour (for binding and body)
- 1/2 cup powdered erythritol or monk fruit sweetener
- 1/2 cup melted coconut oil or butter
- 1 tsp vanilla extract
- 1 large egg or flax egg (for vegan option)
- 1 tsp baking powder
- Pinch of salt
- Optional: 1 tbsp mashed banana or banana extract for extra flavor lift
Pro Tip: Add lemon zest or orange extract for exotic contrast.
Final Assembly:
- Crushed pecans or walnuts
- Zest of 1 lemon or orange extract (for citrus contrast)
- A few drops of stevia or edible gold dust for festive flair
- Fresh mint leaves or sea salt flakes for garnish
Tip: Drizzle with melted dark chocolate or sprinkle crushed cacao nibs for extra crunch.
Step-by-Step Instructions
Step 1: Preheat the Oven
Preheat your oven to 325°F (160°C) . Grease an 8×8-inch baking dish or line with parchment paper for easy removal.
Pro Tip: Use silicone molds for even easier shaping and release.
Step 2: Mix Dry Ingredients
In a mixing bowl, combine:
- Almond flour
- Coconut flour
- Powdered sweetener
- Baking powder
- Salt
Mix well until evenly incorporated and slightly fluffy.
Note: Coconut flour is highly absorbent—measure carefully and sift if possible.
Step 3: Add Wet Ingredients
To the dry mixture, add:
- Melted coconut oil or butter
- Egg or flax egg
- Vanilla extract
- Mashed banana or banana extract
Stir until smooth and slightly thick—but still scoopable.
Pro Tip: If too thick, add a splash of unsweetened almond milk or water to loosen.
Step 4: Press Into Pan
Transfer the batter into the prepared pan and smooth the top with a spatula.
Sprinkle crushed nuts or cacao nibs on top before baking.
Bake for 25–30 minutes , or until a toothpick inserted comes out mostly clean.
Let cool completely before slicing.
Step 5: Garnish and Serve!
Once cooled, top with:
- Whipped cream or mascarpone dollop
- Edible glitter or fresh mint leaves
- Crushed nuts or chocolate shavings
- A drizzle of melted dark chocolate or honey substitute
Serve chilled or at room temperature with:
- Black coffee or herbal tea
- As part of a keto charcuterie board
- Over chia pudding or yogurt for parfait-style dessert
- In a handheld wrap for fusion flair
Enjoy every soft, nutty bite of your Keto Banana Blondies !
Nutritional Information (Per Blondie – Makes 9 Servings)
| Nutrient | Amount |
|---|---|
| Calories | ~170 kcal |
| Total Fat | ~14 g |
| Saturated Fat | ~5 g |
| Cholesterol | ~40 mg |
| Sodium | ~90 mg |
| Total Carbs | ~6 g |
| Dietary Fiber | ~2 g |
| Net Carbs | ~4 g |
| Protein | ~6 g |
Note: Values may vary based on exact measurements and optional add-ins.
Tips for the Best Banana Blondies
- Use quality almond flour and butter – Ensures better rise and smoother texture.
- Don’t skip cooling time – Keeps the blondies firm and prevents melting during topping.
- Layer flavors early and late – Helps build complex taste during baking and finishing.
- Make ahead and store separately – Keeps best refrigerated in an airtight container.
- Double the batch for future meals – Great for freezing and reheating later.
Variations & Customizations
Want to switch things up? Try these tasty variations:
Chocolate Lovers’ Version
Add 1 tbsp cocoa powder and top with dark chocolate shavings.
No-Bake Energy Bowl
Chill the mixture and roll into cold bites for grab-and-go snacks.
Vegan Option
Use vegan butter, maple syrup, and flax eggs for plant-based magic.
Orange Spice Cake
Replace vanilla with orange zest and pumpkin pie spice for seasonal warmth.
Cheesecake Layer
Top with a mascarpone swirl or sour cream glaze for deeper richness.
Frequently Asked Questions (FAQ)
Are these truly keto-friendly?
Yes! With only ~4g net carbs per slice , it fits perfectly within a ketogenic lifestyle.
Can I use regular flour or breadcrumbs?
Not recommended—standard flour and breadcrumbs are high in carbs. Stick with almond flour and crushed pork rinds for keto compliance.
How do I store leftover blondies?
Store cooled portions in an airtight container in the fridge for up to 4 days . Freeze slices for longer storage.
What kind of banana works best?
Fresh ripe bananas give the richest flavor; avoid overripe ones which can be too sugary even for moderate keto.
Can I steam instead of baking?
Yes! Steam in a bamboo steamer or microwave-safe dish for softer texture and faster prep.
Why This Recipe Works So Well
These Keto Banana Blondies work because of their perfect balance of textures and bold flavors:
- The almond flour gives body and moisture , mimicking wheat-based bases without gluten.
- The banana adds natural sweetness and acidity , balancing the richness naturally.
- And the powdered sweetener blends in seamlessly , giving a classic sugary finish without the crash.
It’s the kind of snack that makes eating clean feel indulgent—because it tastes so good.
Serving Suggestions
Looking for creative ways to serve your keto blondies beyond just a plate? Here are some ideas:
In Lunchboxes
Pack with veggies, meat, or pickles for a balanced keto lunch.
At a Kids’ Party
Cut into mini cubes and arrange on a platter with toothpicks for appetizer servings.
With Coffee or Tea
Pair with espresso, black coffee, or herbal tea for a midday pick-me-up.
Gift-Worthy Packaging
Wrap individual pieces in clear cellophane and tie with ribbon for thoughtful homemade gifts.
Over Greek Yogurt
Crush a blondie and sprinkle over full-fat yogurt for parfait-style dessert.
Health Benefits of Key Ingredients
Let’s take a quick look at the health benefits of what makes this dessert special:
Bananas (Used in Moderation)
Rich in potassium and fiber—supports heart function and digestion.
Almond Flour
High in vitamin E and healthy fats—important for brain function and satiety.
Coconut Oil / Herbs
Natural anti-inflammatory compounds—boosts immunity and flavor naturally.
Even though this is a dessert, it’s packed with nutrients that make it more than just a treat—it’s a smart addition to your balanced lifestyle when enjoyed mindfully.
Final Thoughts: A Must-Try Treat for Classic Comfort Lovers
These Keto Banana Blondies prove that going low-carb doesn’t mean missing out on bold, comforting global flavors. With its crispy shell, gooey center, and signature banana-cinnamon finish, it’s the kind of treat that turns a simple bar into something magical—even without grains or sugar-laden coatings.
Whether you’re new to keto baking, looking for a fast weeknight dessert idea, or want to impress with homemade flair, these banana blondies deserve a spot in your kitchen. It’s easy to make, customizable, and loved by kids and adults alike.
So go ahead—whip up a batch, share them with friends, or savor them solo. Either way, you’re treating yourself to something worth celebrating.
Print
Banana Blondies – Soft, Fudgy & Perfectly Low-Carb!
- Total Time: 40 mins
Description
Soft, chewy, and loaded with banana flavor — these keto banana blondies are a grain-free twist on the classic bar cookie, made with almond flour and natural sweeteners for a satisfying treat or breakfast bar!
Ingredients
1 cup almond flour
¼ cup coconut flour
½ tsp baking powder
Pinch of salt
½ cup mashed ripe banana (about 1 medium banana)
¼ cup melted coconut oil or butter
¼ cup heavy cream or unsweetened almond milk
⅓ cup powdered erythritol or monk fruit sweetener (adjust to taste)
1 tsp vanilla extract
Optional: crushed walnuts, pecans, or sugar-free chocolate chunks
FOR KETO VERSION:
Use unsweetened mashed banana or reduce banana to ¼ cup and add mashed avocado for extra fats. For vegan option, use flax egg and maple syrup .
Instructions
Preheat oven to 350°F (175°C) . Line an 8×4-inch loaf pan with parchment paper.
In a bowl, mix almond flour , coconut flour , baking powder , and salt until well combined.
In another bowl, whisk mashed banana , melted oil , heavy cream , powdered sweetener , and vanilla until smooth.
Gradually mix wet ingredients into dry ingredients until just combined.
Fold in optional add-ins like nuts or chocolate chunks .
Pour batter into the lined pan and smooth the top.
Bake for 25–30 minutes or until golden and firm to touch.
Let cool completely before slicing into soft, fudgy blondies.
- Prep Time: 10 mins
- Cook Time: 30 mins
Nutrition
- Serving Size: 8 bars
- Calories: 160
- Fat: 12g
- Carbohydrates: 5g
- Protein: 5g