Extra-Moist Gluten Free Banana Cake – It’s Easy & Delicious!
Finding a gluten free dessert that retains its moisture, tender crumb, and rich flavour can feel like an endless search. Too often, gluten free baked goods end up dense, dry, or crumbly. That is why this Gluten Free Banana Cake from Gluten Free Journey is a total game-changer for anyone living with celiac disease or following a gluten-free diet.
By combining four ripe bananas with rich sour cream and a touch of warm cinnamon, this recipe produces a cake so plush and flavourful that nobody will guess it is gluten free. Whether you serve it warm with a cup of coffee, layer it with your favourite frosting, or keep it simple with chocolate chips baked right into the batter, this bake is destined to become a staple in your home kitchen.
Gluten Free Banana Cake Recipe
Ingredients
- ⅓ cup butter - softened to room temperature
- 1 cup granulated white sugar
- ¼ cup packed brown sugar
- 2 large eggs
- 4 large ripe bananas - mashed lightly
- 1 cup full-fat sour cream
- 1 tsp pure vanilla extract
- 2 ½ cups 1-to-1 gluten free all-purpose baking flour - ensure it contains xanthan gum
- 1 tsp ground cinnamon
- 2 tsp baking soda
- ½ tsp salt
- 1 cup chocolate chips and/or chopped walnuts - optional
Instructions
- Preheat your oven to 350°F (175°C). Grease a 9×13-inch glass or metal baking pan, or line it with parchment paper for effortless removal and easy cleanup.
- In a large mixing bowl, beat the softened butter, granulated white sugar, and brown sugar together on medium speed until the mixture becomes light and fluffy (about 2 to 3 minutes).1/3 cup butter, 1 cup granulated white sugar, 1/4 cup packed brown sugar
- Add the eggs one at a time, mixing well after each addition. Mix in the thoroughly mashed bananas, sour cream, and vanilla extract until completely combined.2 large eggs, 4 large ripe bananas, 1 cup full-fat sour cream, 1 tsp pure vanilla extract
- In a separate medium bowl, whisk together the gluten-free all-purpose flour blend, ground cinnamon, baking soda, and salt to ensure even distribution.2 1/2 cups 1-to-1 gluten free all-purpose baking flour, 1 tsp ground cinnamon, 2 tsp baking soda, 1/2 tsp salt
- Gradually fold the dry flour mixture into the wet ingredients using a spatula or wooden spoon. Stir just until combined, avoid over-mixing. If using chocolate chips or walnuts, gently fold them into the batter.1 cup chocolate chips and/or chopped walnuts
- Spread the thick batter evenly into your prepared baking dish. Bake in the centre of your preheated oven for 35 to 45 minutes, or until a toothpick inserted into the centre comes out clean and the top is lightly golden brown.
- Allow the cake to cool in the pan on a wire rack for at least 20 to 30 minutes before slicing. Serve warm as-is, or top with a dusting of icing sugar or your favourite cream cheese/butter cream frosting.
Recipe Video
Why You’ll Love This Gluten Free Banana Cake
- Unmatched Texture: Gluten free flour blends require extra moisture to hydrate properly. The combination of ripe bananas and full-fat sour cream guarantees a cake that stays soft and tender for days.
- Simple Ingredients: Made with standard pantry staples you likely already have in your kitchen.
- Versatile & Customizable: Fold in chocolate chips, chopped walnuts, or pecans to suit your preference.
- Celiac-Safe Comfort Food: Designed specifically to deliver authentic home-baked flavour without any gluten-related worries.
The Secret Behind the Bake
The key to perfecting gluten free baking lies in understanding how alternative flours interact with wet ingredients. Traditional wheat flour contains gluten proteins that create structure and trap moisture. When baking gluten free, we rely on natural starches, xanthan gum, and hydrating ingredients to recreate that tender texture.
In this recipe, sour cream provides acidity and healthy fats. The acidity reacts with the baking soda to give the batter a light, airy rise, while the high fat content locks in rich moisture. Additionally, using a generous four large bananas enhances natural sweetness while preventing the gluten free banana cake from drying out during the baking process.
Frequently Asked Questions About This Recipe
The riper, the better! Bananas with deep brown or black spots on the peel yield the best sweetness, strongest banana flavour, and maximum moisture.
Yes! Plain, full-fat Greek yoghurt works as an excellent 1:1 substitute for sour cream without compromising the cake’s tenderness or moisture level.
Most commercially available 1-to-1 gluten free flour blends already include xanthan gum. Check your flour package label, if it does not contain xanthan gum, add 1/2 teaspoon to the dry ingredients to help hold the cake structure together.
Store any remaining slices in an airtight container at room temperature for up to 3 days, or keep them refrigerated for up to 6 days. You can also freeze individual slices wrapped tightly in plastic wrap for up to 3 months.