Jump to Recipe

Do you have cravings on hot and long summer days for something creamy and fruity yet light and soft? Well, I did, and that’s how this Mango Custard Cake was born. Airy and delicate chiffon sponge, filled with silky and rich mango custard, and to balance the flavours, a smooth Swiss meringue buttercream. It’s messy, creamy, and honestly one of the most satisfying cakes to cut into.

Summer & Mangoes

Indian summers can be unbearably hot and humid; on the other hand, it’s also mango season, so I can’t complain. And I’m especially lucky because we have three different varieties of mango trees right in our backyard. Add to that the endless mangoes shared by friends and family from their own gardens, and suddenly the house is overflowing with baskets of ripe mangoes waiting to be used up. Naturally, one of my favourite summer activities becomes figuring out new ways to incorporate mangoes into my baking projects. And this mango custard cake turned out to be one of the best results of that little obsession.

This cake is all about soft and creamy textures balanced with fresh fruity flavours. The chiffon sponge layers are feather-light, the mango custard is silky, smooth, and rich, and the Swiss meringue buttercream ties everything together without making the cake feel too heavy or overly sweet. Every bite has a little bit of softness, creaminess, freshness, and mango flavour all at once, exactly the kind of dessert that feels refreshing during the overwhelming summer heat.

And while this cake may look like an elaborate bakery-style dessert, it actually comes together much more easily than you’d think. The chiffon sponge, mango custard, and Swiss meringue buttercream are all simple components when made step-by-step. Once assembled, the cake feels elegant enough for birthdays and celebrations while still having that homemade charm. It’s the kind of dessert that instantly becomes the centerpiece of the table, both visually and flavour-wise.

If you enjoy layered cakes with rich fillings and soft textures, you’ll probably also love my Red Velvet Chocolate Ganache Cake, the creamy and decadent Coconut Custard Chocolate Cake with Coconut Swiss Meringue, or the fruity richness of Chocolate Cherry Layer Cake. But if mango desserts are your weakness, this one is definitely worth making at least once during mango season.

Why You’ll Love This Mango Custard Cake

• Soft and fluffy chiffon sponge layers
• Rich mango custard filling
• Silky Swiss meringue buttercream
• Fresh mango flavor without artificial heaviness

Let’s gather the ingredients:

For the detailed list, find the recipe card below:

Mango Custard

• Milk- Base of custard
• Vanilla- Flavour enhancer
• Egg yolks- Richness of custard
• Sugar
• Cornflour- Thickener
• Fresh mango pulp- Natural Flavour. You can use unsweetened canned ones as well.
• Unsalted butter- For glossy and creamy texture.
• Mango concentrate (optional for stronger flavor)

Chiffon Cake

• Eggs
• Sugar
• Vanilla extract
• Unsalted butter
• Milk
• All-purpose flour
• Cornflour
• Salt

Swiss Meringue Buttercream

• Egg whites
• Sugar
• Salt
• Vanilla extract
• Unsalted butter

Mango Drip

• White chocolate
• Fresh mango puree
• Milk (if needed)

Decoration

• Fresh mango pieces
• Swiss meringue buttercream
• Mango custard
• Mint leaves

How to Make Mango Custard Cake?

Prepare the Mango Custard– Start by heating the milk and vanilla until hot but not boiling. In another saucepan, whisk together the egg yolks, sugar, and cornflour until pale and smooth. Slowly pour in part of the hot milk while whisking continuously. This tempers the eggs and prevents scrambling. Add the remaining milk and cook over low heat while stirring continuously. The custard will gradually thicken into a smooth pudding-like consistency.

Once thickened, immediately pour the hot custard over the mango pulp, butter, and mango concentrate. Stir until smooth and glossy. Cover the surface directly with plastic wrap to prevent skin from forming. Let it cool completely.

Tips

• Stir continuously to avoid lumps.
• Don’t cook over high heat.
• The custard thickens more as it cools.

Make the Chiffon Cake– Preheat the oven and prepare your cake pan. Warm the eggs and sugar over simmering water until the sugar dissolves and the mixture feels slightly warm. This step helps create volume. Beat the mixture until pale, thick, and ribbon-like. The batter should fall slowly from the whisk. Sift in the dry ingredients gently to avoid deflating the batter. Mix a small amount of batter into the warm milk-butter mixture before folding it back into the main batter. This prevents the butter from sinking. Bake until golden and springy. Cool completely before slicing into layers.

Prepare the Swiss Meringue Buttercream– Heat the egg whites and sugar over simmering water until the sugar fully dissolves. Beat until stiff, glossy peaks form, and the bowl cools down. Add just softened butter gradually while beating continuously. At some stage, the frosting may look curdled but keep beating. It will eventually turn smooth and creamy.

Tips

• Just softened butter- When pressed with a finger, it should leave a dent in the butter.
• If the frosting becomes too soft, chill briefly and whip again.
• Continue whipping even if the mixture looks split.

Make the Mango Drip– Melt the white chocolate and mango puree together gently. If the mixture feels too thick, add a tiny splash of milk. The consistency should be semi-fluid so it drips slowly down the cake.

Assemble the Cake– Place the first chiffon layer on the cake board. Pipe Swiss meringue buttercream on the cake and around the edges to create a border. Fill the center with mango custard. Repeat with the second layer. Place the final layer on top and apply a crumb coat. Chill for 20 minutes. Frost the cake smoothly and add the mango drip around the edges. Decorate with swirls of buttercream, extra custard, fresh mango cubes, and mint leaves.

Storage Tips & Make-Ahead Instructions

At Room Temperature– Because of the custard filling and buttercream, this cake should not sit at room temperature for more than 1-2 hours, especially in warm climates.

In the Refrigerator– Store the cake in an airtight cake container in the fridge for up to 4 days. The cake actually tastes even better after a few hours of chilling because the flavors settle beautifully. Before serving, let slices sit at room temperature for about 15-20 minutes for the softest texture.

Freezer– Wrap the cake or leftover pieces in a cling wrap and place them in an airtight container, and freeze for up to 1 month. Thaw overnight in the refrigerator before serving.

Make-Ahead Instructions

• Chiffon cake- Could be stored in an airtight container at room temperature for 2 days, in the fridge for 1 week, and in the freezer (cling wrapped) for 1 month. Thaw overnight in the fridge before assembly.
• Mango Custard- Can be stored in the fridge for up to 4 days and in the freezer for up to 1 month. Cover with cling wrap to freeze and thaw overnight in the fridge.
• Swiss Meringue Buttercream- Can be stored in an airtight container at room temperature for 2 days, in the fridge for 2 weeks, and in the freezer for 2-3 months. Thaw in the fridge overnight/few hours at tabletop. Whisk to regain the consistency.

FAQ’s

Why is my chiffon cake dense?

Overmixing after adding flour can deflate the batter and remove air.

Why did my Swiss meringue buttercream split?

Usually, because the butter or meringue temperature was off. Keep whipping- it normally comes together again. Or you can place it in the fridge for a few minutes and whip again.

Can I make this cake without eggs?

This specific chiffon texture depends heavily on eggs. An eggless sponge would require a different recipe structure.

Can I use store-bought custard?

Homemade custard gives the best texture and mango flavor, but store-bought custard can work in a pinch.

How do I get clean cake slices?

Chill the cake well and wipe the knife clean between cuts.

Can I turn this into cupcakes?

Yes, though the custard filling will need to be piped into the center instead of layered.

---

if you liked this recipe, try these!