This soft and moist banana sponge cake is a key element in my Banana, Passion Fruit & Milk Chocolate Mousse Cake (Recipe 004). It’s flexible enough to use as a base or insert for layered desserts and mousse cakes, with a light structure that holds its shape without becoming dense or stodgy. Made with real banana purée and simple pantry ingredients, this sponge delivers a natural banana flavour without artificial additives.
You can see how I use this sponge as part of the full cake here:
Banana, Passion Fruit & Milk Chocolate Mousse Cake – Recipe 004
Video Tutorial – Banana Sponge Cake in Action
The video below walks you through making my banana sponge cake with a light, meringue-based structure. You’ll see how I whip the egg whites to build volume and stability, then carefully fold in the banana purée and dry ingredients to maintain as much air as possible in the batter. The sponge is baked just until set to preserve its softness and flexibility without drying it out. The result is a naturally airy yet stable cake that holds its shape well, making it ideal for mousse cakes and layered desserts where structure is essential but heaviness would throw off the balance.

Banana Sponge
Equipment
- Oven
- Silicone mat or baking paper
- Stand mixer or hand mixer
- Spatula
- Digital kitchen scales
Ingredients
- 85 g Egg whites
- 80 g Sugar
- 65 g Bananas mashed with a fork
- 67 g Almond flour
- 28 g Icing sugar
- 33 g Plain flour
- pinch Cinnamon
- pinch Salt
Instructions
- Preheat oven to 160°C (320°F), fan forced.
- Whip the egg whites and sugar to stiff meringue.
- Sift together almond flour, icing sugar, flour, cinnamon and salt.
- Fold mashed banana into the meringue, followed by the dry ingredients.
- Line a tray with a silicone mat and spread batter evenly to 1 cm (0.39 in) height. Or pipe into 16 cm (6.3 inches) rings using a 10 mm nozzle.
- Bake for 15 minutes, until lightly golden and springy.
Video
Banana Sponge Recipe – Light, Soft, and Naturally Flavoured
This banana sponge recipe delivers a soft, delicate texture with subtle banana notes that feel refined rather than heavy. Unlike traditional banana bread, which is often rich and dense due to higher fat content, this sponge relies more on the natural moisture from ripe banana and the structure from almond meal, resulting in a lighter, more balanced crumb. It’s less heavy on the palate, making it ideal for layered desserts where you still want flavour without overwhelming richness. A small addition of cinnamon enhances the banana profile, adding warmth and depth that lifts the overall taste without dominating it.

Understanding Mousse Cakes – Structure, Layers, and Design
Mousse cakes are built much like an architectural structure, where each layer plays a specific role in both stability and experience. The base provides support, inserts add contrast in texture and flavour, and the mousse brings everything together into a smooth, cohesive finish. Every element is intentional – from crunch layers that add bite, to sponges that absorb and balance moisture, ensuring the final entremet holds its shape while still delivering a refined eating experience.
To explore individual components and learn how to build your own entremet from the ground up, you can start with the essential foundations here: https://andbonbons.com/category/basic-pastry-recipes/

Entremet Sponge Recipe – Exploring Different Sponge Bases
An entremet sponge recipe is never limited to a single style – it’s about choosing the right sponge to support flavour, moisture balance, and structure within the cake. Depending on the design, you can switch between nut-based, airy, or enriched sponges to completely change the final texture and character of your dessert. Each variation brings something different, from light and absorbent layers to richer, more structured bases that hold inserts and mousses more effectively.
Other sponge ideas to explore include:
- https://andbonbons.com/frangipane-almond-cream-recipe/ – A rich almond-based component that adds moisture, depth, and a nutty foundation to layered desserts.
- https://andbonbons.com/orange-sponge-recipe/ – A citrus-forward sponge that brings brightness and freshness to balance heavier creams and chocolates.
- https://andbonbons.com/financier-sponge/ – A dense, buttery sponge with a soft crumb, ideal for adding structure and richness.
- https://andbonbons.com/ladyfingers-sponge-savoiardi-recipe/ – A light, airy sponge commonly used for soaking and layering in structured desserts.
- https://andbonbons.com/white-chocolate-sponge-recipe/ – A sweet, soft sponge that enhances creamy and fruit-based entremets.
- https://andbonbons.com/3-techniques-perfect-joconde-sponge-recipe/ – A flexible almond sponge used in modern entremet construction for precise layering and clean edges.
- https://andbonbons.com/hazelnut-dacquoise/ – A nut-based meringue sponge that adds crunch and structure with deep roasted flavour.
Craving more behind-the-scenes moments, step-by-step videos, and sneak peeks of upcoming recipes? Join me on Instagram @andbonbons for a closer look at the process, pastry tips, and plenty of chocolate inspiration.


