Flourless Banana Cake is a delicious dessert that brings together the sweetness of ripe bananas and the richness of chocolate. This cake is easy to make and is perfect for anyone looking for a gluten-free treat. With simple ingredients, this cake delivers a moist and flavorful bite every time!

Why Make This Recipe
Making Flourless Banana Cake is a great choice if you want a dessert that is quick, healthy, and satisfying. It’s perfect for using up overripe bananas, and it’s a wonderful option for people with gluten sensitivities. Plus, this cake is packed with oats, bananas, and wholesome ingredients, making it a better alternative to traditional cakes!
How to Make Flourless Banana Cake
Making Flourless Banana Cake is simple and fun! Just follow these straightforward steps, and you’ll have a tasty dessert that everyone will enjoy.
Ingredients
- 1 cup ripe mashed bananas (about 2 large bananas)
- 1 large egg
- 1 teaspoon vanilla extract
- ¼ cup coconut oil
- 1 tablespoon cornstarch
- ¼ teaspoon baking powder
- 1 teaspoon baking soda
- 1 teaspoon ground cinnamon
- ¼ teaspoon ground allspice
- ½ cup lightly packed brown sugar
- 1 ½ cups old-fashioned oatmeal
- ¾ cup semisweet chocolate chips (or nuts)
- ½ cup semisweet chocolate chips (for frosting)
- 3 tablespoons almond milk
- 1 ½ cups powdered sugar
Directions
- Preheat the oven to 350 degrees Fahrenheit. Line an 8 x 8 x 2-inch baking dish with parchment paper.
- In a large bowl, combine 1 cup of ripe mashed bananas, 1 large egg, 1 teaspoon of vanilla extract, and ¼ cup of coconut oil. Whisk these ingredients until well combined.
- Stir in 1 tablespoon of cornstarch, ¼ teaspoon of baking powder, 1 teaspoon of baking soda, 1 teaspoon of ground cinnamon, and ¼ teaspoon of ground allspice. Mix until everything is fully combined.
- Add 1 ½ cups of old-fashioned oatmeal to a blender and blend until it resembles flour. Then, stir the blended oats and ½ cup of lightly packed brown sugar into the banana mixture.
- Fold in ¾ cup of semisweet chocolate chips or nuts to give extra flavor.
- Pour the batter into the prepared baking dish and bake for 25-30 minutes or until a fork inserted into the cake comes out clean. Be careful not to overbake, as this can make the cake less tender and flavorful. Allow the cake to cool before frosting it.
Optional Frosting
To make a simple frosting, melt ½ cup of semisweet chocolate chips and mix with 3 tablespoons of almond milk and 1 ½ cups of powdered sugar. Spread it over the cooled cake.
How to Serve Flourless Banana Cake
This cake is best served at room temperature. You can enjoy it plain, or with a drizzle of chocolate frosting for an extra treat. Pair it with a dollop of whipped cream or a scoop of vanilla ice cream for a fantastic dessert experience!
How to Store Flourless Banana Cake
To store your Flourless Banana Cake, keep it in an airtight container at room temperature for up to 3 days. If you want to keep it longer, you can refrigerate it for up to a week or freeze it for up to 3 months. Just make sure to wrap it tightly to prevent freezer burn.
Tips to Make Flourless Banana Cake
- Use very ripe bananas for the best flavor and sweetness.
- Make sure to not overmix the batter, as this can affect the cake’s texture.
- Customize your cake by adding nuts or different types of chocolate chips.
- Allow the cake to cool completely before frosting for the best results.
Variation
You can add some chopped nuts or dried fruits to the batter for an extra crunch and flavor. Also, consider substituting the chocolate chips with peanut butter chips for a different taste!
FAQs
1. Can I make this cake ahead of time?
Yes! You can make Flourless Banana Cake a day or two in advance and store it in an airtight container.
2. Is this cake gluten-free?
Yes, this cake is gluten-free, as it uses oats instead of regular flour. Make sure to use gluten-free oats if you have a gluten intolerance.
3. Can I use other types of flour instead of oatmeal?
Unfortunately, this recipe relies on oats for its structure, so we recommend sticking with the old-fashioned oatmeal or using oat flour for a gluten-free option.
Enjoy making and sharing your Flourless Banana Cake!

Flourless Banana Cake
Ingredients
Main Ingredients
- 1 cup ripe mashed bananas (about 2 large bananas) Use very ripe bananas for the best flavor.
- 1 large egg
- 1 teaspoon vanilla extract
- ¼ cup coconut oil
- 1 tablespoon cornstarch
- ¼ teaspoon baking powder
- 1 teaspoon baking soda
- 1 teaspoon ground cinnamon
- ¼ teaspoon ground allspice
- ½ cup lightly packed brown sugar
- 1 ½ cups old-fashioned oatmeal Blend until it resembles flour.
- ¾ cup semisweet chocolate chips (or nuts) Optional for added flavor.
Optional Frosting
- ½ cup semisweet chocolate chips For frosting, melted.
- 3 tablespoons almond milk
- 1 ½ cups powdered sugar
Instructions
Preparation
- Preheat the oven to 350 degrees Fahrenheit. Line an 8 x 8 x 2-inch baking dish with parchment paper.
- In a large bowl, combine 1 cup of ripe mashed bananas, 1 large egg, 1 teaspoon of vanilla extract, and ¼ cup of coconut oil. Whisk these ingredients until well combined.
- Stir in 1 tablespoon of cornstarch, ¼ teaspoon of baking powder, 1 teaspoon of baking soda, 1 teaspoon of ground cinnamon, and ¼ teaspoon of ground allspice. Mix until everything is fully combined.
- Add 1 ½ cups of old-fashioned oatmeal to a blender and blend until it resembles flour. Then, stir the blended oats and ½ cup of lightly packed brown sugar into the banana mixture.
- Fold in ¾ cup of semisweet chocolate chips or nuts to give extra flavor.
- Pour the batter into the prepared baking dish and bake for 25-30 minutes or until a fork inserted into the cake comes out clean.
- Allow the cake to cool before frosting it.
Frosting
- To make a simple frosting, melt ½ cup of semisweet chocolate chips and mix with 3 tablespoons of almond milk and 1 ½ cups of powdered sugar. Spread it over the cooled cake.


