Hazelnut Custard Tart Recipe

Learn how to make this homemade hazelnut custard tart with a buttery shortcrust pastry and silky smooth vanilla custard topped with caramelized hazelnuts. This elegant French-inspired dessert combines crisp pastry with creamy filling for the best balance of textures in an easy yet impressive baking recipe.
Difficulty:
Intermediate
Prep Time:
40 mins
Cook Time:
50 mins
Serves:
1 tart (8 slices)
Overhead shot of a golden-brown hazelnut custard tart with a perfectly crimped edge, displayed on a vintage ceramic cake stand. Soft natural light creates gentle shadows highlighting the glossy custard surface adorned with concentric circles of caramelized, toasted hazelnuts. A cross-section view reveals the distinct layers of crisp pastry and velvety custard. The scene is completed with scattered whole and chopped hazelnuts, a small bowl of powdered sugar, and a silver serving knife on a rustic wooden table with a cream linen napkin adding texture to the composition.

Ingredients

<ul class="ingredients-main-list"><li class="ingredients-single-item">For the pastry:</li><li class="ingredients-single-item">200g plain flour</li><li class="ingredients-single-item">100g cold unsalted butter, cubed</li><li class="ingredients-single-item">30g icing sugar</li><li class="ingredients-single-item">1 large egg yolk</li><li class="ingredients-single-item">2-3 tbsp ice-cold water</li><li class="ingredients-single-item">Pinch of salt</li><li class="ingredients-single-item">For the custard filling:</li><li class="ingredients-single-item">500ml full-fat milk</li><li class="ingredients-single-item">1 vanilla pod, split and seeds scraped (or 2 tsp vanilla extract)</li><li class="ingredients-single-item">5 large egg yolks</li><li class="ingredients-single-item">100g caster sugar</li><li class="ingredients-single-item">40g cornflour</li><li class="ingredients-single-item">For the hazelnut topping:</li><li class="ingredients-single-item">150g hazelnuts, skin removed</li><li class="ingredients-single-item">50g caster sugar</li><li class="ingredients-single-item">25g unsalted butter</li></ul>

Equipment

<ul class="equipment-main-list"><li class="equipment-single-item">23cm (9-inch) loose-bottomed tart tin</li><li class="equipment-single-item">Baking beans or uncooked rice</li><li class="equipment-single-item">Baking parchment</li><li class="equipment-single-item">Rolling pin</li><li class="equipment-single-item">Whisk</li><li class="equipment-single-item">Heavy-bottomed saucepan</li></ul>

Directions

<ol class="no-list-style"><li class="MethodStepper"><h4 class="step-title">Step 1</h4>Start by making the pastry. In a large bowl, rub the cold cubed butter into the flour using your fingertips until the mixture resembles fine breadcrumbs. This technique creates flaky layers in your finished pastry. Stir in the icing sugar and salt, then add the egg yolk and enough ice-cold water to bring the dough together into a ball. The coldness of these ingredients prevents the butter from melting, which is crucial for a crisp pastry case.</li><li class="MethodStepper"><h4 class="step-title">Step 2</h4>Wrap the pastry in cling film and chill in the refrigerator for at least 30 minutes. This resting period allows the gluten to relax, preventing the pastry from shrinking during baking. Meanwhile, preheat your oven to 180°C (160°C fan) and prepare your tart tin by lightly greasing it.</li><li class="MethodStepper"><h4 class="step-title">Step 3</h4>Roll out the chilled pastry on a lightly floured surface to about 3mm thickness, creating a circle large enough to line your tart tin with some overhang. Gently drape the pastry over your rolling pin to transfer it to the tin, then press it into the edges and trim the excess. Don't stretch the pastry as this will cause shrinkage. Prick the base with a fork to prevent air bubbles forming.</li><li class="MethodStepper"><h4 class="step-title">Step 4</h4>Line the pastry case with baking parchment and fill with baking beans or rice. Blind bake for 15 minutes, then remove the beans and parchment and return to the oven for another 5-10 minutes until the base is golden and crisp. The initial blind baking with weights prevents the pastry from puffing up, while the second bake without weights ensures the base cooks thoroughly, avoiding the dreaded "soggy bottom".</li><li class="MethodStepper"><h4 class="step-title">Step 5</h4>While the pastry case cools, prepare your custard. Heat the milk in a saucepan with the vanilla pod and seeds (or extract) until just below boiling point. Remove from heat and let the vanilla infuse for 10 minutes before removing the pod. This infusion time allows the vanilla flavor to fully develop in the milk.</li><li class="MethodStepper"><h4 class="step-title">Step 6</h4>In a large bowl, whisk together the egg yolks, sugar, and cornflour until pale and thick. The mixture should form ribbons when the whisk is lifted. Gradually pour in the hot vanilla milk, whisking constantly to prevent the eggs from scrambling. This tempering process is crucial for a smooth custard.</li><li class="MethodStepper"><h4 class="step-title">Step 7</h4>Return the mixture to the cleaned saucepan and cook over medium-low heat, stirring continuously with a wooden spoon until thickened. This will take 5-8 minutes - be patient and keep stirring to prevent lumps forming. The custard is ready when it coats the back of a spoon and a finger drawn through leaves a clear path. Immediately pour the hot custard into the cooled pastry case and smooth the top. Allow to cool completely - the custard will continue to set as it cools.</li><li class="MethodStepper"><h4 class="step-title">Step 8</h4>For the hazelnut topping, spread the hazelnuts on a baking tray and toast in the oven at 170°C for 8-10 minutes until golden and fragrant, shaking the tray halfway through. Toasting enhances the natural oils in the nuts, intensifying their flavor. Let them cool slightly before roughly chopping half of them, leaving the rest whole.</li><li class="MethodStepper"><h4 class="step-title">Step 9</h4>In a non-stick frying pan, melt the butter and sugar together over medium heat until bubbling and turning amber-colored. Add the hazelnuts and stir quickly to coat them in the caramel. Be careful as this mixture is extremely hot! Work quickly as the caramel will harden fast. Immediately transfer the caramelized hazelnuts to a sheet of baking parchment to cool.</li><li class="MethodStepper"><h4 class="step-title">Step 10</h4>Once the custard has set completely and the caramelized hazelnuts have cooled, arrange them on top of the tart in a decorative pattern. For the best flavor, serve the tart at room temperature. If made ahead, store in the refrigerator but allow to come to room temperature for at least 30 minutes before serving to allow the flavors to fully develop and the pastry to regain its crispness.</li></ol>

FAQs

Find answers to your most pressing questions about this delicious recipe right here.

What ingredients are used in Hazelnut Custard Tart Recipe?

This tart requires plain flour, butter, icing sugar, eggs, milk, vanilla, cornflour, and hazelnuts. The shortcrust pastry needs cold butter and egg yolk, while the silky custard uses full-fat milk and vanilla. Caramelised hazelnuts top it off with a delicious crunch.

How to cook Hazelnut Custard Tart Recipe at home?

Learn how to cook Hazelnut Custard Tart Recipe by first making and blind-baking a shortcrust pastry case until golden. Then prepare a silky vanilla custard by tempering egg yolks with hot milk before cooking until thick. Pour into the cooled pastry case, then top with hazelnuts caramelised in butter and sugar for a professional-looking dessert with contrasting textures.

Why do you need to blind bake the pastry case for custard tarts?

Blind baking is essential for custard tarts to prevent the dreaded "soggy bottom." The process pre-cooks the pastry shell before adding the wet filling, creating a moisture barrier. Using baking beans ensures the pastry doesn't puff up, resulting in a crisp, golden base that stays firm even once filled.

Can I make this custard tart ahead of time?

Yes, this tart can be prepared 1-2 days ahead and stored in the refrigerator. For best results, add the caramelised hazelnut topping just before serving. Allow the tart to come to room temperature for 30 minutes before serving to ensure the pastry regains its crispness and flavours fully develop.

What's the secret to achieving a perfectly smooth custard filling?

The key to silky smooth custard is gradual temperature control and constant stirring. When adding hot milk to egg yolks, pour slowly while whisking (tempering) to prevent scrambling. Then cook over medium-low heat, stirring continuously until thickened. Strain through a fine sieve for extra insurance against lumps.

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