If you adore desserts that balance richness with freshness, you are going to fall head over heels for this Blackberry Vanilla Hazelnut Tart. Imagine a flaky, buttery hazelnut crust that offers a gentle crunch, cushions a luxuriously smooth vanilla custard, and is crowned with juicy, vibrant blackberries. This tart isn’t just a dessert; it’s an experience—each bite delivering a harmony of nutty, creamy, and fruity flavors that brighten the senses. Whether you’re impressing guests or treating yourself, the Blackberry Vanilla Hazelnut Tart is a delightful centerpiece that tastes as wonderful as it looks.
Ingredients You’ll Need
What makes this tart truly spectacular are its simple yet thoughtfully chosen ingredients. Each one plays a crucial role, contributing to that perfect balance of taste, texture, and color that will make your tart memorable and irresistible.
- All-purpose flour: The foundation for a tender, flaky crust that holds all the goodness together perfectly.
- Unsalted butter: Chilled and cubed for that rich, buttery flavor and crumbly texture in the crust.
- Granulated sugar: Adds sweetness to both the crust and custard without overpowering the natural flavors.
- Salt: Enhances the nutty and sweet notes, balancing the flavor beautifully.
- Toasted hazelnuts: Finely chopped for a delightful crunch and a warm, nutty aroma that makes the crust unique.
- Ice water: Helps bring the dough together without melting the butter, keeping the crust flaky.
- Large egg yolks: The heart of the vanilla custard, giving it a rich, smooth texture.
- Whole milk: Provides creaminess and body to the custard custard.
- Vanilla extract: Delivers a fragrant, sweet depth that elevates the custard’s flavor.
- Fresh blackberries: The jewel-like topping offering freshness, slight tartness, and stunning visual appeal.
How to Make Blackberry Vanilla Hazelnut Tart
Step 1: Prepare the Hazelnut Crust
Start by combining the flour, sugar, salt, and toasted hazelnuts in a food processor. Adding chilled butter and pulsing gently will create coarse crumbs that promise a flaky texture. Slowly add the ice water just until the dough holds together—this avoids overworking and toughening the crust. Shape the dough into a disk, wrap it up, and let it chill for at least 30 minutes to firm up. This rest period is key for easy rolling and a tender crumb.
Step 2: Blind Bake the Crust
Once chilled, roll out the dough on a floured surface and press it carefully into your tart pan. Crimp the edges and prick the bottom with a fork to prevent bubbles. Adding parchment paper and pie weights before baking ensures the crust keeps its shape and doesn’t puff up. Bake for 15 minutes, then remove the weights and bake another 10 minutes until it turns a heavenly golden color. Let it cool completely before adding any filling.
Step 3: Make the Vanilla Custard
Whisk the egg yolks and sugar until pale and creamy—this step builds the custard’s smooth texture. Heat the milk until it just simmers, then slowly temper the egg mixture by whisking the hot milk in gradually. Cook over medium heat until thickened, stirring constantly to avoid curdling. After removing from heat, stir in vanilla extract and strain for the silkiest, lump-free custard. Allow it to cool to room temperature, prepping it for the tart shell.
Step 4: Assemble the Blackberry Vanilla Hazelnut Tart
Pour the cooled custard evenly into the golden crust, smoothing it out lovingly. Then, arrange the fresh blackberries on top in a way that speaks both charm and abundance. Pop the tart into the refrigerator for at least two hours so the custard can set fully, creating that perfect creamy filling beneath the jewel-like berries.
How to Serve Blackberry Vanilla Hazelnut Tart

Garnishes
A light dusting of powdered sugar or a handful of torn mint leaves adds a pop of freshness and color that complements the blackberries beautifully. You could even drizzle a little honey or a berry coulis for an elegant finish that makes every serving feel special.
Side Dishes
This tart pairs wonderfully with a scoop of vanilla bean ice cream or a dollop of freshly whipped cream, both of which mellow the nutty richness and add creaminess to each bite. A cup of fresh herbal tea or a sparkling rosé also complements the flavors perfectly, creating a balanced and refreshing dessert experience.
Creative Ways to Present
For a wow factor, serve mini versions of this Blackberry Vanilla Hazelnut Tart in individual tartlet pans. Alternatively, create a tart platter with a variety of berries and nuts scattered around for a rustic, inviting look that’s perfect for gatherings or afternoon tea.
Make Ahead and Storage
Storing Leftovers
Leftover Blackberry Vanilla Hazelnut Tart can be wrapped tightly in plastic wrap or stored in an airtight container in the refrigerator for up to three days. This helps to keep the custard fresh and the crust crisp for your next indulgent bite.
Freezing
While freezing the assembled tart is not recommended due to the delicate custard and fresh berries, the hazelnut crust dough can be made ahead and frozen. Simply wrap the dough disk well and freeze for up to one month, thawing in the fridge before baking.
Reheating
If you prefer your tart slightly warm, gently warm slices in a low oven for 5 to 7 minutes. Avoid microwaving as it can make the crust soggy and the custard rubbery. Enjoy it slightly chilled or at room temperature for the best texture and flavor.
FAQs
Can I use frozen blackberries for this tart?
While fresh blackberries provide the best texture and flavor, frozen ones can work in a pinch. Just make sure to thaw and drain them well to keep the tart from becoming soggy.
Is there a substitute for hazelnuts in the crust?
Absolutely! You can swap hazelnuts for almonds or pecans, which will still give you a wonderful nutty crunch with a slightly different flavor profile.
Can I make the custard without eggs?
Eggs are essential for the custard’s texture and richness. If you need an egg-free version, consider a vegan vanilla pudding alternative, but keep in mind the texture will be different.
How do I prevent the crust from getting soggy?
Blind baking the crust properly and allowing it to cool before pouring in custard is crucial. Also, chilling the tart after assembly helps the custard set and prevents moisture from soaking into the crust.
What’s the best way to cut the tart cleanly?
Use a sharp knife dipped in hot water and wiped dry before slicing. This technique helps achieve clean, smooth cuts without smudging the custard or crushing the berries.
Final Thoughts
The Blackberry Vanilla Hazelnut Tart is truly one of those desserts that brings people together over its irresistible combination of textures and flavors. It’s a celebration of simple, beautiful ingredients coming to life in a way that feels both classic and fresh. I can’t wait for you to try it and make delicious memories with every bite!
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