A hazelnut chocolate tart is a sophisticated dessert featuring a crisp cocoa-infused crust filled with a silky smooth ganache and toasted hazelnuts. This recipe yields a decadent, restaurant-quality treat that requires minimal effort in the home kitchen. At Eminent Recipes, I focus on creating desserts that balance elegance with ease of preparation. You will love this dish because it is quick to assemble, family-friendly, and perfect for impressing guests at any special occasion.
Why This Recipe Works
This recipe works because it relies on a classic ganache technique that guarantees a glossy, stable finish every single time. By utilizing high-quality semisweet chocolate and a touch of hazelnut spread, the flavor profile remains deep and complex without being overly cloying. I have tested this ratio extensively to ensure the texture is soft enough to slice gracefully while holding its shape on the plate.
You will appreciate the versatility of this tart as it fits perfectly into a busy weeknight schedule or as a centerpiece for weekend gatherings. The step-by-step instructions break down the daunting process of blind-baking into manageable phases, ensuring a crisp crust that never turns soggy under the weight of the rich filling.
Ingredients
| Ingredient | Quantity | Notes |
|---|---|---|
| All-purpose flour | 200 g | Substitute with pastry flour for a finer crumb |
| Unsweetened cocoa powder | 30 g | Use Dutch-processed for deeper color |
| Powdered sugar | 75 g | Sift to avoid lumps in the dough |
| Fine salt | 2 g | Essential to balance the sweetness |
| Unsalted butter | 115 g | Must be cold and cubed |
| Large egg yolk | 1 large | Binds the crust without excess moisture |
| Semisweet chocolate | 250 g | Finely chop for even melting |
| Heavy cream | 240 ml | Ensure full fat for the best ganache |
| Chocolate hazelnut spread | 100 g | Adds creaminess and depth |
| Toasted hazelnuts | 80 g | Roughly chop for added texture |
Step-by-Step Instructions
Crust Preparation
- Preheat your oven to 175°C (350°F) and lightly grease a 23 cm tart pan with a removable bottom.
- Whisk the flour, cocoa powder, powdered sugar, and salt in a large mixing bowl until combined.
- Rub the cold, cubed butter into the dry ingredients using your fingertips until the mixture resembles coarse, pea-sized crumbs.
- Add the egg yolk and 15 ml of cold water, mixing gently until the dough begins to hold together.
- Shape the dough into a flat disc, wrap it tightly in plastic, and refrigerate for 20 to 30 minutes.
Baking and Filling
- Roll the chilled dough on a floured surface to approximately 3 mm thickness.
- Press the dough carefully into the tart pan, trim the excess edges, and prick the base with a fork.
- Line the crust with parchment paper, fill with baking weights or dried beans, and bake for 15 minutes.
- Remove the weights and parchment, then bake for an additional 8 to 10 minutes before cooling completely.
- Prepare the ganache by pouring steaming heavy cream over the finely chopped chocolate, letting it sit for 2 minutes before stirring until smooth.
- Stir the chocolate hazelnut spread, butter, vanilla, and salt into the ganache until glossy.
- Pour the filling into the cooled crust, top with toasted hazelnuts, and refrigerate for at least 2 hours.
Chef Tips for Perfect Results
- Keep your butter as cold as possible during the crust preparation to ensure a flaky texture.
- Use a warm, dry knife when slicing the tart to achieve clean edges and avoid dragging the ganache.
- Toast the hazelnuts briefly in a dry pan until fragrant to maximize their nutty flavor profile.
- Ensure the crust is fully cool before adding the warm ganache to prevent the butter in the crust from melting prematurely.
Common Mistakes to Avoid
- Overworking the dough will result in a tough crust instead of a crisp one; stop mixing as soon as the dough binds.
- Boiling the cream before adding it to the chocolate can scorch the dairy, leading to a bitter aftertaste.
- Ignoring the chilling time for the crust allows the sides to slump during the initial bake phase.
- Using a serrated knife for slicing will tear the ganache; always opt for a sharp, smooth-edged blade.
Variations and Substitutions
| Ingredient | Substitution | Impact on Flavor |
|---|---|---|
| Semisweet chocolate | Dark chocolate | Increased bitterness and richness |
| Hazelnut spread | Almond butter | Nutty, earthier base note |
| Heavy cream | Full-fat coconut milk | Adds a subtle tropical undertone |
Serving Suggestions and Pairings
Serve this hazelnut chocolate tart with a side of fresh raspberries or strawberries to cut through the richness of the ganache. It pairs exceptionally well with a warm cup of herbal tea or a robust decaffeinated coffee. This dessert serves as a perfect final course for holiday dinners, birthday parties, or sophisticated Sunday brunches.
Storage and Reheating
| Method | Duration | Instructions |
|---|---|---|
| Refrigerator | 3 to 5 days | Keep in an airtight container |
| Freezer | Up to 1 month | Wrap individual slices tightly in foil |
Nutritional Information
Approximate values per serving (based on 12 servings):
| Nutrient | Amount per Serving |
|---|---|
| Calories | 340 kcal |
| Total Fat | 22 g |
| Protein | 4 g |
| Carbohydrates | 32 g |
| Fiber | 3 g |
| Sugar | 21 g |
| Sodium | 85 mg |
Frequently Asked Questions
Can I make this tart without nuts?
Yes, you can substitute the hazelnut spread with plain chocolate ganache and omit the toasted hazelnuts. The tart will remain just as decadent and delicious without the added texture.
Why is my ganache not setting?
The ganache likely did not set because the room temperature was too warm or the ratio of cream to chocolate was off. Ensure the tart is refrigerated for the full 2 hours to allow the cocoa butter to firm up properly.
Can I prepare this recipe ahead of time?
This tart is ideal for making ahead and stays fresh in the refrigerator for up to 5 days. It actually tastes better after resting for 24 hours as the flavors have more time to meld.
What is the best way to check doneness?
Check the crust doneness by looking for a golden-brown edge and a firm, dry appearance after the blind-baking process. The ganache is done once it is poured, smoothed, and chilled until firm to the touch.
How do I avoid cracks in the filling?
Avoid cracks in the ganache by letting it cool at room temperature for 10 minutes before moving it to the refrigerator. This prevents a temperature shock that can cause the surface to split or lose its glossy finish.
Creating this hazelnut chocolate tart is a rewarding experience that yields professional results with home-kitchen accessibility. By following these steps, you ensure a crisp, buttery crust paired with a velvety, rich filling. Embrace the process, share it with your loved ones, and savor every bite of this luxurious, nutty dessert masterpiece.
Hazelnut Chocolate Tart
Prep Time: 30 min | Cook Time: 25 min | Total Time: 3 hours (including chill) | Servings: 12

Hazelnut Chocolate Tart
- Total Time: 185
- Yield: 8 servings 1x
- Diet: Vegetarian
Description
This sophisticated hazelnut chocolate tart features a crisp, cocoa-infused crust filled with a silky, decadent ganache and topped with crunchy toasted hazelnuts. Designed for the home kitchen, this recipe balances elegant flavors with ease of preparation. It is the perfect restaurant-quality dessert to impress guests at any special occasion, offering a deep, complex flavor profile that holds its shape beautifully while remaining smooth and indulgent in every bite.
Ingredients
200 g all-purpose flour
30 g unsweetened cocoa powder
75 g powdered sugar
2 g fine salt
115 g cold unsalted butter, cubed
1 large egg yolk
250 g semisweet chocolate, finely chopped
240 ml heavy cream
100 g chocolate hazelnut spread
80 g toasted hazelnuts, roughly chopped
Instructions
Preheat your oven to 175°C (350°F) and grease a 23 cm tart pan.
Whisk flour, cocoa powder, powdered sugar, and salt in a bowl.
Rub the cold butter into the dry mixture until it resembles coarse crumbs.
Add the egg yolk and 15 ml of cold water, mixing until a dough forms.
Wrap the dough and refrigerate for 20 to 30 minutes.
Roll out the dough and press into the tart pan, trimming the edges.
Blind-bake the crust for 15-20 minutes until crisp.
Heat the heavy cream until just simmering, then pour over the chopped chocolate and hazelnut spread.
Whisk the ganache until smooth and glossy.
Pour the filling into the cooled crust and sprinkle with toasted hazelnuts.
Refrigerate for at least 2 hours until the ganache is set before serving.
Notes
Use Dutch-processed cocoa for a richer color. Ensure the crust is completely cool before adding the warm ganache to prevent it from becoming soggy. Store in the refrigerator for up to 3 days.
- Prep Time: 45
- Cook Time: 20
- Category: Baking
- Method: Baking
- Cuisine: Modern European
Nutrition
- Serving Size: 1 slice
- Calories: 450
- Sugar: 28g
- Sodium: 110mg
- Fat: 32g
- Saturated Fat: 18g
- Carbohydrates: 42g
- Fiber: 3g
- Protein: 6g
- Cholesterol: 85mg

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