Dark Chocolate Raspberry Tart

This dark chocolate raspberry tart is an elegant dessert made with a chocolate cookie crust, raspberry filling, and dark chocolate ganache. It’s a make-ahead recipe that’s perfect for dinner parties or special occasions when you want something that looks impressive. The raspberry layer cuts through the richness of the chocolate, keeping it from being too sweet or heavy.

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I usually make the tart crust and raspberry filling ahead of time, so assembly is quick when I need it. Desserts like this chocolate overload cake, our chocolate cherry brownies, and lemon meringue tarts have a certain “treat yourself” vibe, and this tart is definitely an indulgence that’s worth every calorie. Serve it with a dollop of whipped cream or fresh raspberries on the side, or drizzle with our dark chocolate sauce for an extra-decadent finish.

Key Ingredients and Substitutions

This elegant tart relies on quality ingredients that work together to create rich, balanced flavors.

In the printable recipe below, you can find a complete list of ingredients and measurements.

For the Chocolate Pastry Crust

• All-Purpose Flour: For a perfect tart crust structure, all-purpose flour is the best choice. Be sure to measure accurately, as too much flour can make the crust tough and difficult to work with.
• Dutch-Processed Cocoa Powder: To achieve the smoothest flavor and deepest chocolate color in your pastry, dutch-processed cocoa powder is ideal. Natural cocoa powder will work, but may create a slightly more acidic taste in the finished crust.
• Unsalted Butter: Cold, unsalted butter lets you control the salt content while creating the flakiest texture. Cut it into small cubes and refrigerate for the best results.
• Egg Yolk: One egg yolk binds the pastry dough together, adding richness to the final crust. Room-temperature eggs incorporate more easily into the cold water, resulting in a smoother dough.

Pro-tip: Freezing the assembled tart shell for 30 minutes before baking to prevent shrinkage and achieve a cleaner, more professional finish.

For the Chocolate Ganache

• Chocolate: We use a combination of bittersweet (70% cocoa) and semi-sweet (50% cocoa) chocolate for the perfect balance between richness and sweetness. Choose high-quality chocolate bars instead of chocolate chips, which often contain stabilizers that can affect the final texture.
• Heavy Cream: For a proper ganache texture, heavy cream’s high fat content is necessary. Don’t substitute with half-and-half or light cream, as they won’t create the same silky consistency.

Optional Flavor Enhancers: A splash of vanilla extract or strong espresso can add depth to the chocolate flavor without overpowering the main taste.

For the Raspberry Layer

• Fresh vs Frozen Raspberries: Fresh raspberries are ideal for decoration since they hold their shape and color better. For the filling, both fresh and frozen work well, though frozen berries will take slightly longer to break down during cooking and don’t need to be thawed first.
• Granulated Sugar: A small amount of sugar helps break down the raspberries and balances their natural tartness. The sugar also helps create the right consistency for the filling.
• Cornstarch: When mixed with water to create a slurry, cornstarch thickens the raspberry mixture, preventing a watery filling from forming. Make sure to whisk it well with the water before adding to avoid lumps.
• Raspberry Preserves (Optional): Adding a few tablespoons of raspberry preserves adds extra flavor, making the filling shine. Choose a high-quality preserve for the best taste.

How to Make Dark Chocolate Raspberry Tart

Here are the quick, step-by-step instructions with visuals; you can find the full instructions, including the exact ingredients, in the recipe card below.

Pro-tip: Allow the ganache to set at room temperature rather than in the refrigerator. This creates a shinier finish and prevents condensation from forming on the surface.

Step 1 – Make the Crust

Combine your dry ingredients in a food processor and pulse until everything is evenly combined. Add the cold cubed butter to the dry ingredients.

Pulse the dry ingredients and butter until the mixture resembles coarse breadcrumbs, but avoid overworking it.

Mix the egg yolk with cold water, add it in, and pulse just until the dough starts to clump together.

Form it into a disc, wrap in plastic, and chill for 15 minutes. When you’re ready to roll, let the dough sit out for a few minutes so it’s not rock-hard.

Roll it between ⅛ and ¼ inch thick. Any thinner and it might crack, any thicker and it won’t bake properly. For a 9-inch tart, aim for an 11-inch circle. For individual 4-inch tarts, cut four pieces approximately 1.5 to 2 inches larger in diameter than your pan.

Carefully place the dough in the tart pan(s). Press the dough gently into the bottom, corners, and sides of the tart pan(s).

Roll your rolling pin over the top of the pan to trim excess dough, then push the sides in again to smooth the edges.

Prick holes all over the bottom with a fork. This keeps it from puffing up. Here’s the key step most people skip: cover with plastic wrap and freeze it for 30 minutes instead of just chilling. This prevents shrinkage during baking.

Preheat the oven to 325°F and line the frozen tart shell with parchment paper. Then, fill it with pie weights or dried rice.

Blind bake for 15 minutes (12-13 minutes for 4-inch tarts), then carefully remove the hot weights and parchment. Continue baking for an additional 10-15 minutes (8-10 minutes for 4-inch tarts), or until the surface appears matte and feels dry. Transfer to a wire rack to cool completely.

Step 2 – Make the Raspberry Filling

Cook the raspberries with sugar in a medium saucepan over medium heat, stirring occasionally, until they have completely broken down. Frozen berries will take slightly longer to break down.

Strain the mixture through a fine-mesh sieve into a bowl to remove the seeds, pressing to extract all the juice and scraping the bottom of the sieve to remove any remaining puree. Discard the seeds. Return the strained puree to the saucepan over medium heat.

Return the strained puree to the saucepan over medium heat. To prevent a watery filling, whisk cornstarch with water in a small bowl to create a slurry, then add it to the puree. Stir constantly until the mixture thickens enough to coat the back of a spoon. Add the raspberry preserves, if using, and mix until completely incorporated. Transfer the mixture to a bowl and let it cool completely.

Step 3 – Make the Ganache

The secret to smooth ganache is patience. Heat your cream until small bubbles form around the edges, but do not bring it to a rolling boil. Pour it over your chopped chocolate and resist the urge to stir immediately. Those two minutes of waiting time allow the heat to gently melt the chocolate.

When stirring, do so slowly and work from the center outward. The salt isn’t optional because it enhances the chocolate flavor.

Step 4 – Assemble the Tart

Make sure everything is completely cool before assembly, as mixing layers can occur if they are not. Start by spreading the cooled raspberry filling evenly across the bottom of your tart shell. I like using an offset spatula for this step.

Next, pour the ganache over the raspberry layer, starting from the center and letting it naturally flow outward for the smoothest finish. You can gently tilt the pan to help it reach the edges evenly. Let the tart sit at room temperature for at least 2 hours to set properly. This room temperature setting time is crucial for achieving the right texture before adding your fresh raspberry decorations.

Pro-tip: The hot-water trick for cutting works because it melts the ganache cleanly, rather than dragging it. Dip your knife in hot water, wipe it completely dry, then make your cut. Repeat this process for each slice to achieve professional-looking portions. Add your fresh raspberry decorations just before serving to keep them looking their best.

Make-Ahead and Storage

Make-Ahead: Several components of this tart can be prepared ahead of time. The chocolate tart shell can be prepared up to 2 days in advance and stored at room temperature in an airtight container. The raspberry filling can be prepared up to 3 days ahead and stored in the refrigerator. For best results, make the ganache the same day you plan to assemble the tart.

How to Store: An assembled tart can be stored in a covered container in the refrigerator for up to 3 days, protecting the ganache from absorbing other flavors. For longer storage, freeze the tart for up to 3 months. To freeze, chill the ganache until completely set, then wrap it tightly in plastic wrap, then in aluminum foil. Thaw overnight in the refrigerator, then bring to room temperature before serving.

Recipe Tips and Notes

• Pastry texture matters. The dough might appear loose and crumbly when you turn it out. Test if it has enough moisture by squeezing a small amount in your fist. If it holds together and shows your knuckle marks, it’s perfect. This prevents overworking the dough while still ensuring it is properly hydrated.
• Chill the dough. The time in the refrigerator allows the flour to hydrate fully and the butter to firm up. The result is a dough that rolls smoothly.
• Perfect ganache takes timing. Work with finely chopped chocolate for even melting, and let the hot cream do its work for 2 minutes before stirring. When stirring, use gentle, consistent motions from the center outward until the mixture becomes smooth and glossy.
• Quality chocolate is essential. Since chocolate is the star ingredient in the ganache, select one you’d enjoy eating on its own.
• Clean slices every time. The key to achieving professional-looking slices is using a sharp knife that has been dipped in hot water between each cut. Wipe the blade completely dry before cutting to prevent water from getting on the tart. Make one smooth, confident motion rather than sawing back and forth.

Frequently Asked Questions