Hazelnut Vanilla Tart
Hazelnut Vanilla Tart is a medium French recipe that serves 8. 350 calories per serving. Recipe by Maddie Brehm on YouTube.
Prep: 4 hrs 10 min | Cook: 1 hr 5 min | Total: 5 hrs 30 min
Cost: $17.36 total, $2.17 per serving
Ingredients
- 100 g Unsalted Butter (melted, used to make brown butter)
- 2 large Egg Whites (room temperature)
- 2 tbsp Honey (liquid sweetener)
- 50 g Hazelnut Flour (finely ground hazelnuts)
- 30 g All-Purpose Flour (sifted)
- 80 g Powdered Sugar (sifted)
- 1 pinch Salt (fine sea salt)
- 200 g White Chocolate (good quality, chopped)
- 300 ml Heavy Cream (divided 150 ml warm, 150 ml cold)
- 1 pod Vanilla Bean (seeds scraped, pod used for flavor)
- 2 sheets Sheet Gelatin (bloomed in ice‑cold water, about 4 g total)
- 150 g Hazelnuts (whole, toasted)
- 100 g Granulated Sugar (for dry caramel)
- 1 tsp Grapeseed Oil (optional, helps emulsify praline)
- optional Gold Leaf (for garnish)
Instructions
Brown Butter
Place the butter in a small saucepan over medium heat, melt, stir occasionally, and watch for bubbling and brown specks. When the butter turns a light golden‑brown and smells nutty, remove from heat and pour into a heat‑proof bowl to cool for 15‑20 minutes.
Time: PT5M
Prepare Financier Batter
In a mixing bowl combine hazelnut flour, all‑purpose flour, powdered sugar, and a pinch of salt. Add the egg whites and honey, mix with the paddle attachment until just combined. Slowly stream the cooled brown butter into the mixture while mixing until the batter is light, fluffy, and well emulsified.
Time: PT5M
Chill Batter
Transfer the batter to a clean container, cover tightly with plastic wrap, and refrigerate for at least 30 minutes (up to 2 days).
Time: PT30M
Bloom Gelatin
Place the sheet gelatin in a bowl of ice‑cold water for 5 minutes, then gently squeeze out excess water.
Time: PT5M
Make White Chocolate Ganache
In a small saucepan combine 150 ml heavy cream with the vanilla seeds (and pod). Heat over medium until just simmering, then remove from heat. Stir in the bloomed gelatin until fully dissolved, then add the chopped white chocolate. Whisk until smooth and let the mixture cool to room temperature.
Time: PT10M
Blend Ganache
Add the remaining 150 ml cold heavy cream to the warm ganache and blend with an immersion blender until fully incorporated and glossy.
Time: PT5M
Set Ganache
Transfer the blended ganache to a container, cover, and refrigerate for at least 3 hours (or overnight) so the gelatin sets.
Time: PT3H
Toast Hazelnuts
Preheat the oven to 350°F (175°C). Spread hazelnuts on a baking sheet and toast for 8‑10 minutes, stirring halfway, until golden and fragrant. Transfer to a kitchen towel and rub to remove as much skin as possible.
Time: PT10M
Temperature: 350°F
Caramelize Hazelnuts
In a clean saucepan over medium heat, add 1 tbsp granulated sugar and let it melt. Gradually add the remaining sugar, stirring constantly, until the mixture turns a deep amber color. Quickly pour the caramel over the toasted hazelnuts, stir to coat evenly, then spread on parchment paper to cool to room temperature (about 15 minutes).
Time: PT25M
Blend Praline
Once the caramel‑coated hazelnuts are completely cool, transfer them to a food processor and pulse until a smooth paste forms. If the mixture is dry, add grapeseed oil 1 tsp at a time until cohesive.
Time: PT5M
Bake Tart Shells with Financier
Pipe the chilled batter into pre‑baked tart shells about halfway up. Bake in the pre‑heated 350°F oven for 18‑20 minutes, until the top is golden and the batter is set. Remove and cool on a rack.
Time: PT20M
Temperature: 350°F
Whip Ganache and Assemble
Remove the set ganache from the fridge and whip with the stand‑mixer whisk attachment to medium‑stiff peaks (about 2 minutes). Pipe a layer of hazelnut praline paste over the baked financier, then pipe the whipped ganache in a decorative pattern using a petal tip. Garnish with toasted hazelnut pieces and optional gold leaf.
Time: PT5M
Nutrition Facts
- Calories
- 350
- Protein
- 5 g
- Carbohydrates
- 30 g
- Fat
- 22 g
- Fiber
- 3 g
Dietary info: Vegetarian, Contains nuts, Contains gluten
Allergens: Dairy, Tree nuts, Gluten, Gelatin
Ingredient Substitutions
- Instead of Unsalted Butter: Clarified butter
- Instead of Egg Whites: Aquafaba
- Instead of Honey: Maple syrup
- Instead of Hazelnut Flour: Almond flour
- Instead of All-Purpose Flour: Gluten‑free flour blend
- Instead of Powdered Sugar: Confectioners' sugar
- Instead of Salt: Kosher salt
- Instead of White Chocolate: Milk chocolate (will alter flavor)
- Instead of Heavy Cream: Half‑and‑half (less stable)
- Instead of Vanilla Bean: Vanilla extract (1 tsp)
- Instead of Sheet Gelatin: Powdered gelatin (1 tsp)
- Instead of Hazelnuts: Almonds
- Instead of Granulated Sugar: Cane sugar
- Instead of Grapeseed Oil: Neutral oil such as canola
Equipment Needed
- Small Saucepan
- Mixing Bowl
- Stand Mixer with Paddle Attachment
- Whisk
- Immersion Blender
- Food Processor
- Piping Bag
- Petal Tip
- Baking Sheet
- Parchment Paper
- Kitchen Towel
- Cooling Rack
Critical Steps — Do Not Skip
- Do not over‑brown the butter; remove from heat at light golden color.
- Ensure gelatin is fully dissolved in the warm cream before adding chocolate.
- Caramel must reach a deep amber color before coating hazelnuts; too light will be sweet, too dark will be bitter.
- Chill the ganache for at least 3 hours so it sets properly for whipping.
- Do not over‑whip the ganache; stop at medium‑stiff peaks.
Chef Tips from the Video
- Use a light‑colored saucepan for brown butter so you can see the color change clearly.
- For extra flavor, toast the hazelnut flour briefly before adding to the batter.
- If you don’t have sheet gelatin, dissolve powdered gelatin in a small amount of cold water before adding to the warm cream.
Troubleshooting
Brown butter turned black and smells burnt.
Remove the pan immediately, discard the burnt butter, and start over. Use medium heat and watch closely.
Caramel hardens before coating nuts.
Work quickly; keep the saucepan on low heat and have the nuts ready on parchment. If it hardens, gently reheat the caramel for a few seconds.
Ganache is grainy after whipping.
Make sure the gelatin was fully dissolved and the ganache was properly chilled. If grainy, gently re‑heat and whisk until smooth before chilling again.
Storage
Refrigerator: Store the assembled tart in an airtight container for 2‑3 days. Whipped ganache may dry out after the first day.
Freezer: Not recommended; texture of ganache and crust may degrade.
Room temperature: Do not keep at room temperature for more than 2 hours.
Make-Ahead Tips
- The financier batter can be prepared 1‑2 days ahead and kept refrigerated.
- Ganache can be made up to 24 hours ahead; keep chilled until ready to whip.
- Praline paste can be stored in an airtight jar at room temperature for up to 5 days.
Frequently Asked Questions
What is the cultural significance and history of Hazelnut Vanilla Tart in French pastry tradition?
The Hazelnut Vanilla Tart draws on classic French patisserie techniques such as the financier cake and praline. Hazelnut‑based desserts have been popular in the French Alps, and combining them with vanilla and white chocolate reflects the French love of rich, layered flavors.
What are the traditional regional variations of Hazelnut Vanilla Tart in French cuisine?
In the Rhône‑Alps region, hazelnuts are often paired with dark chocolate, while in Normandy the same tart might feature caramelized apples. Some bakers substitute almond flour for hazelnut flour to create a more delicate texture.
What is the authentic traditional way Hazelnut Vanilla Tart is served in France?
Traditionally the tart is served slightly chilled, dusted with powdered sugar, and accompanied by a small glass of dessert wine such as Sauternes. It is often presented on a simple white plate to highlight the glossy ganache and golden praline.
What occasions or celebrations is Hazelnut Vanilla Tart traditionally associated with in French culture?
This tart is popular during the autumn harvest festivals and is a favorite for holiday gatherings such as Noël (Christmas) because of its warm nutty flavors and elegant presentation.
How does Hazelnut Vanilla Tart fit into the broader French pastry tradition?
It combines three classic French pastry components: a buttery financier base, a silky ganache, and a crunchy praline. This layering mirrors the French emphasis on texture contrast and refined flavor balance.
What are the authentic traditional ingredients for Hazelnut Vanilla Tart versus acceptable substitutes?
Authentic ingredients include hazelnut flour, brown butter, high‑quality white chocolate, fresh vanilla bean, and sheet gelatin. Acceptable substitutes are almond flour for hazelnut flour, clarified butter for brown butter, and powdered gelatin if sheets are unavailable.
What are the most common mistakes to avoid when making Hazelnut Vanilla Tart?
Common errors include over‑browning the butter, burning the caramel, not fully dissolving the gelatin, and over‑whipping the ganache. Each of these can lead to bitter flavors, grainy texture, or a dry finished tart.
Why does this Hazelnut Vanilla Tart recipe use brown butter instead of regular butter?
Brown butter adds a nutty, toasted flavor that deepens the hazelnut profile and complements the vanilla and white chocolate. Regular butter would lack this complexity and result in a flatter taste.
How do I know when the caramel is the correct dark amber color for the hazelnut praline?
The caramel should turn a deep, rich amber that coats the back of a spoon and has a slightly smoky aroma. If it is light amber, it is under‑cooked; if it turns very dark brown or black, it is burnt and will taste bitter.
Can I make Hazelnut Vanilla Tart ahead of time and how should I store it?
Yes. Prepare the financier batter and ganache up to 2 days ahead, keeping each refrigerated. Assemble the tart no more than 24 hours before serving and store the finished tart in an airtight container in the refrigerator for up to 3 days.
What does the YouTube channel Maddie Brehm specialize in?
The YouTube channel Maddie Brehm specializes in approachable home‑baking tutorials, focusing on classic pastry techniques, seasonal desserts, and step‑by‑step guides for home cooks.
How does the YouTube channel Maddie Brehm's approach to French pastry cooking differ from other pastry channels?
Maddie Brehm emphasizes clear, beginner‑friendly explanations while still teaching authentic French methods. She often breaks down complex steps like brown butter and gelatin handling into simple, visual cues, making French pastry more accessible than many technique‑heavy channels.
Last updated: September 6, 2026
