This Orange Sponge delivers a bright, refreshing citrus flavour wrapped in a soft, moist texture that stays tender even after soaking or layering. Its natural orange aroma brings a clean, elegant sweetness balanced with just the right touch of zest. Light yet satisfying, it’s incredibly easy to prepare, making it a reliable base for small cakes or mousse cakes (entremet) — or perfect for a layered trifle.
Watch the Orange Sponge Recipe Tutorial – Step-by-Step Visual Guide
For those who prefer a visual guide, the video tutorial below walks you through each step of creating the perfect Orange Sponge. From mixing to baking and soaking, you’ll see exactly how to achieve a light, airy texture and vibrant citrus flavour. Clear, easy-to-follow instructions make it simple to replicate at home, whether you’re preparing a thin sponge for layering or a thicker version for a trifle or mousse cakes (entremet).

Orange Sponge
Ingredients
Orange Sponge
- 150 g flour
- 115 g fine semolina
- 100 g coconut flour
- 18 g baking powder
- 360 g eggs 6 large eggs
- 145 g neutral oil
- 145 g orange juice
- 10 g orange zest
Syrup
- 120 g water
- 120 g sugar
- 130 g orange juice
- 45 g orange liqueur e.g., Triple Sec
Instructions
Orange Sponge
- Preheat oven to 180°C (356°F).
- Mix all dry ingredients together until evenly combined.
- Add the remaining ingredients and mix gently, just until the batter comes together.
- Pour the mixture into the prepared mould and level the surface.
- Bake for about 20 minutes if making a thin sponge (around 1 cm thick), or up to 30 minutes for a thicker sponge. Check doneness with a skewer — it should come out clean.
- Allow the sponge to cool completely before pouring the soaking syrup over.
Syrup
- Bring water, sugar, and juice to a boil.
- Let it cool slightly, then add the liqueur and mix well.
- Pour the syrup evenly over the sponge, piercing small holes to help it absorb better.
Video
Batter Insights – Natural Sweetness and Handmade Texture

The batter for this Orange Sponge is naturally unsweetened, with all the sweetness coming from the fresh orange juice and the soaking syrup – so don’t skip the syrup, as it’s essential for flavour balance. It’s a fairly thick batter, perfect for piping with an 8 mm nozzle if you’re making a layer for mousse cakes (entremet). For a more rustic, handmade look, you can simply spread the batter over the silicone mat instead of piping; slight imperfections are a feature, not a flaw. Each irregularity is a sign that the sponge was made by hand and has its own soul, adding character to your finished dessert.

Soaking Syrup – Essential for Moisture and Flavour

The soaking syrup is a crucial element for achieving the perfect Orange Sponge texture – the entire amount should be used to ensure the sponge stays moist and tender. The combination of coconut flour and semolina makes the sponge highly absorbent, allowing it to soak up the syrup evenly. You can experiment with different ratios of sugar, juice, and liquor; options include dark rum, limoncello, whiskey, or tropical liqueurs. If you prefer to reduce the alcohol content, add it at the start of cooking so that some of it evaporates while the flavor is preserved. Be careful not to boil the syrup too long – 1 minute is sufficient; overcooking will reduce the liquid volume and negatively affect the sponge’s moisture.

Storage – Make-Ahead Convenience and Longevity
This Orange Sponge freezes exceptionally well, and it’s best to freeze it after soaking with the syrup. Whether you’re using it as a layer for mousse cakes (entremet), a plated dessert, or a trifle sponge, it will retain its texture and flavour after defrosting. Store it in an airtight container or wrapped tightly in cling film. For easier organisation, you can label each sponge with its type and date of preparation. This makes it ideal for make-ahead prep, allowing you to assemble desserts quickly whenever needed.

EXPLORE OTHER SPONGE BASES FOR ENTREMET
Beyond the classic Financier sponge, a range of specialised sponges can elevate flavour, texture, and structure in your mousse cakes and entremets. Each brings its own distinctive profile and technical advantage.
PEANUT COOKIE SPONGE
A nutty, textural sponge with a light cookie crunch. This base combines the richness of peanuts with a firm, buttery crumb, ideal for pairing with caramel or chocolate layers. It adds both structure and flavour depth without heaviness.
LADYFINGERS SPONGE (SAVOIARDI)
A classic, airy sponge known for its absorbent texture and crisp exterior. Ladyfingers (Savoiardi) are perfect for layered desserts that require syrup or purée absorption—such as tiramisu or mousse-based entremets—while maintaining lightness and volume.
WHITE CHOCOLATE SPONGE
Soft, refined, and subtly sweet, this sponge delivers a silky structure with a gentle chocolate aroma. It complements delicate flavours like vanilla, citrus, or red fruit, offering a smooth, luxurious mouthfeel ideal for refined modern cakes.
JOCONDE SPONGE
An almond-based, flexible sponge used as a base or decorative wrap for entremets. Joconde provides excellent elasticity, a smooth surface for pattern work, and a balanced almond flavour that harmonises beautifully with mousses and creams.
HAZELNUT DACQUOISE
A meringue-style nut sponge with a crisp exterior and tender interior. The Hazelnut Dacquoise introduces airy lightness and a toasted aroma, adding contrast and complexity when layered with creams, ganaches, or fruit components.
BANANA SPONGE CAKE
Moist and naturally fragrant, this sponge delivers gentle fruit sweetness with a soft, resilient crumb. Perfect for tropical or chocolate-based desserts, it brings a comforting, aromatic twist to classic mousse cake structures.
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.


