Chocolate Orange Spiderweb Tart

A chocolate tart combines a crisp pastry shell with a smooth filling. This French-inspired version uses press-in cocoa shortbread, avoiding the need to roll and transfer pastry. Orange zest perfumes the cream and dark chocolate ganache without thinning it with juice. The Halloween web forms when a skewer draws through white chocolate rings on the still-fluid filling. After chilling, the firm, creamy centre and delicate biscuit-like edge cut into neat slices. Finishing the tart before guests arrive leaves only unmoulding and slicing to do.
Cuisine style French-inspired chocolate tart
Flavor profile Chocolatey • Citrusy
Techniques Bake • Chill
Key equipment Tart pan
Cooking style Make-ahead friendly

Why this recipe works

  • Crisp shell, smooth centre: A baked cocoa shell supports the smooth ganache. Cooling it fully before filling protects the crisp pastry during the long chill.
  • Orange carried by the cream: Fine zest releases aromatic oils into warm cream, carrying citrus through the ganache without the extra liquid of orange juice.
  • A decoration that sets with the filling: The white chocolate web sets into the ganache as it chills, leaving no separate fragile decoration to attach before serving.

Get the most out of this recipe

Ingredient notes

  • Use the specified cream: Double cream supplies liquid and fat. Thinner dairy products change the set, so retain the specified cream and chocolate quantities.
  • Grate only the coloured zest: Wash the orange and grate only the coloured skin. Fine zest disperses through cream without bitter pith or long strands.
  • Keep the chocolate bowls dry: Dry both chocolate bowls before use. Stray water can make melted chocolate thick and grainy, making the white rings difficult to pipe.

Texture tips

  • Press an even pastry shell: Press the crust evenly across the base and up the sides. Thick corners bake slowly and resist slicing, while very thin edges crumble easily.
  • Stir the ganache gently: Let the hot cream stand on the chocolate before stirring slowly. Vigorous whisking adds air bubbles and leaves a less smooth surface for the web.

Timing notes

  • Prepare the chocolate while the crust cools: Zest the orange and chop the chocolate while the crust cools. Start the ganache only when the shell is completely cold.
  • Have the white chocolate ready: Melt the white chocolate before pouring the ganache into the shell. Pipe the rings and draw the skewer strokes promptly while both chocolates remain fluid.
  • Give the centre time to set: Allow the full refrigerated setting time before removing the tart from its tin. A surface that looks firm can still hide a soft centre.

Serving ideas

  • Cut through the web cleanly: Use a warm, dry knife and wipe it between slices. Lift each wedge with a cake slice so the thin cocoa edge stays supported.
  • Keep the finished tart cold: Serve small batches cold: warming melts the ganache and blurs the web. Follow the stated storage and room-temperature limits.

Equipment you'll need

Ingredients

Cocoa crust

Ganache and web

Instructions
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  1. Mix the flour, cocoa, icing sugar and salt, then work in the soft butter until the crumbs hold together when squeezed. Press evenly into the base and sides of a 23 cm loose-bottomed tart tin, about 4 mm thick.
  2. Chill for 20 minutes while heating the oven to 170°C (340°F). Prick the base lightly with a fork.
  3. Bake for 20–22 minutes until the surface looks dry and the edges are firm. Cool in the tin on a rack for 30 minutes; do not taste the raw crust mixture.
  4. While the crust cools, wash the orange and finely grate its zest, leaving the bitter white pith behind. Chop the dark chocolate into a dry bowl.
  5. Once the crust is completely cold, heat the cream with all the zest until small bubbles appear at the edges. Pour it over the dark chocolate and leave for 2 minutes, melting the white chocolate in a separate dry bowl over warm water while you wait. Stir the ganache until smooth, then pour it into the crust and level gently.
  6. Immediately pipe 4 concentric rings of white chocolate over the still-fluid ganache. Drag a clean skewer from the centre outwards in 8 evenly spaced lines, wiping it between strokes, to form a spiderweb.
  7. Refrigerate for at least 180 minutes until the filling is firm enough to slice. Remove from the tin and cut into 10 slices with a warm, dry knife.

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Recipe notes

Tips

  • Pipe and feather the white chocolate as soon as the ganache is poured; once the surface sets, a skewer will tear it. Use only the orange zest here and keep the fruit for another use.
  • Use a metal tart tin 23 cm across and about 3 cm deep, with a removable base. Set the unmoulded tart on a flat serving plate and use a cake slice to support each wedge.

Substitutions

  • Replace the orange with a lemon, using its finely grated zest in the same way.

Storage

  • Refrigerate up to 3 days
  • Keep covered in the fridge at 4°C (40°F) or below for up to 3 days. Serve in small batches and discard after 2 hours at room temperature. Leftover slices are best served cold; warming melts the ganache and blurs the web, without extending the storage limit.

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Chocolate Orange Spiderweb Tart
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Recipe overview

  • Servings: 10 pieces
  • Yield: tart slices
  • Total time: 4h 45min (40min active)
  • Difficulty: Medium
  • Cuisine: French
  • Allergens:
    Gluten Milk Wheat

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