Spiced Apple & Brown Butter Hazelnut Rough-Puff Dartois
Parisian mornings taught me restraint, but my Bay Area kitchen taught me to embrace butter without apology. The dartois is an unsung hero of the French patisserie, but traditional puff pastry demands a calendar and a prayer. We are not suffering for brunch. That is why I developed this rough-puff method. You get all the lacy, shattered flakes with a fraction of the folding. Inside, we have caramelized Honeycrisp apples, sharp cardamom, and a nutty brown butter hazelnut frangipane that smells like autumn in the Marais. Butter is not a garnish, and time—specifically the fridge—is your friend here. Make the dough the night before, assemble while the coffee brews, and let the oven do the heavy lifting. Swap the hazelnuts for almonds or pecans if your pantry demands it, but do not skip the flaky salt on the crust right before it bakes. Let time do the work, and enjoy a café-level pastry in your pajamas.
Featured Recipe
Spiced Apple & Brown Butter Hazelnut Rough-Puff Dartois
Crisp, shattered layers of quick rough-puff encased around caramelized Honeycrisp apples, ground cardamom, and a rich brown butter hazelnut frangipane. A classic French café morning bake that delivers maximum flake with minimal morning drama.
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Ingredients
- 250 g all-purpose flour(about 2 cups, spooned and leveled)
- 1 tsp fine sea salt
- 225 g unsalted cultured butter(1 cup / 2 sticks, ice-cold, cut into 1/2-inch cubes)
- 120 ml ice water(1/2 cup, extra tablespoon if needed)
- 45 g unsalted butter (for apples and frangipane)(3 tbsp, divided)
- 3 medium Honeycrisp or Pink Lady apples(peeled, cored, and sliced into 1/4-inch wedges)
- 50 g granulated sugar(1/4 cup)
- 0.5 tsp ground cardamom(freshly ground if possible)
- 1 tsp fresh lemon juice
- 50 g hazelnut meal(1/2 cup, finely ground toasted hazelnuts or almond flour)
- 2 tbsp brown sugar(packed)
- 1 large egg(separated (yolk for frangipane, egg wash for pastry top))
- 2 tbsp coarse turbinado sugar(for topping)
- 0.5 tsp flaky sea salt(Maldon or similar, for finishing)
- 1 egg yolk(from the large egg)
- 1 tsp water(for egg wash)
Instructions
- 1
In a large bowl, whisk together 250 g all-purpose flour and 1 tsp fine sea salt. Toss in 225 g unsalted cultured butter. Flatten each butter cube between your thumb and index finger into thin shingle-like sheets—do not rub them down into tiny peas. Pour in 120 ml ice water and mix with a fork just until a shaggy dough comes together. Turn out onto plastic wrap, press into a rough 1-inch thick rectangle, wrap tightly, and chill for 30 minutes.
15 min
Tip: Visible butter chunks are mandatory here; they create the steam that lifts your layers. A tight dough means a tough crumb like a bad alibi.
- 2
Place the dough package into the refrigerator to chill and rest.
30 min
Tip: Let time do the work. Cold butter is non-negotiable for real flakiness.
- 3
While dough chills, melt 30 g unsalted butter in a wide skillet over medium heat. Keep cooking until it foams and turns golden brown with a nutty aroma, about 3 minutes. Add 3 medium Honeycrisp apples, 50 g granulated sugar, 0.5 tsp ground cardamom, and 1 tsp fresh lemon juice. Sauté for 6 to 8 minutes until apples are soft around the edges but still hold their shape. Remove from heat and spread on a plate to cool completely.
10 min
Tip: Why it works: Pre-cooking apples drives off moisture before baking, preventing a soggy bottom on your pastry base.
- 4
In a small bowl, make the hazelnut frangipane. Brown the remaining 15 g unsalted butter in a small pan, then let cool 2 minutes. Stir together cooled brown butter, 50 g hazelnut meal, 2 tbsp brown sugar, and 1 large egg yolk until a smooth, thick paste forms.
5 min
Tip: Butter is not a garnish—browning it adds depth that cuts through sweet cooked fruit.
- 5
Roll chilled dough on a well-floured surface into a 10x15-inch rectangle. Fold top third down and bottom third up like a business letter (turn 1). Rotate 90 degrees, roll out again to 10x15 inches, and repeat the letter fold (turn 2). Roll into a final 12x16-inch rectangle and slice lengthwise into two equal 6x16-inch strips.
15 min
Tip: Keep edges neat and sharp to encourage straight, high-rising puff layers.
- 6
Transfer one strip of pastry to a parchment-lined sheet pan. Spread hazelnut frangipane down the center, leaving a 1-inch border along the edges. Top frangipane evenly with cooled cardamom apples. Brush borders lightly with water. Lay the second pastry strip over top, gently pressing edges together to seal. Score shallow diagonal slashes across top crust with a sharp knife.
10 min
Tip: Do not slice through the top layer completely; shallow scoring lets steam escape cleanly.
- 7
Transfer assembled Dartois on its sheet pan into the refrigerator to chill while preheating the oven.
15 min
Tip: Chilling relaxes the gluten and hardens the butter, preventing butter leak in the hot oven.
- 8
Preheat oven to 400°F (200°C). Whisk the remaining egg white (from the 1 large egg) with 1 tsp water to create an egg wash. Brush top crust lightly with egg wash, sprinkle evenly with 2 tbsp coarse turbinado sugar and 0.5 tsp flaky sea salt.
5 min
Tip: Avoid egg wash dripping down the sliced cut sides—it glues layers together and halts rising.
- 9
Bake at 400°F (200°C) for 28 to 32 minutes, until puff is dramatically expanded, deep golden brown, and lacquered on top.
30 min
Tip: Look for a deep mahogany hue. Pale pastries are sad, doughy pastries.
- 10
Let cool on the sheet pan for 10 minutes, then slice crosswise into 6 thick, lacy strips using a serrated bread knife. Serve warm.
10 min
Tip: Use a gentle sawing motion with a serrated knife so you crack the flaky crust cleanly without crushing it.
Chef's Notes
Cami's shortcut note: Quick-laminating rough-puff gives you 80% of the glory of classic puff pastry in a fraction of the time. Don't skip this: Always chill the assembled pastry right before it hits the hot oven. Hot oven + icy butter = explosive, lacy puff. We're not suffering for brunch!
Camille Roux
Café-level bakes, weeknight methods, zero compromise.
Camille “Cami” Roux was born in Paris with flour in her hair and a healthy skepticism of culinary dogma. She grew up around neighborhood boulangeries that treated crust and crumb like religion—but what stuck with her wasn’t rigid tradition. It was the quiet precision: good butter that actually tastes like milk, patient fermentation that builds flavor for free, and desserts that know when to stop before they get cloying. After moving to the Bay Area, Cami trained in a bread-and-pastry scene obsessed with texture, naturally leavened doughs, and seasonal fruit—Tartine energy, minus the martyrdom. She became known for loaves that sing when they cool, jammy tarts with clean edges, and “how is this so good?” weeknight pastries made with a few smart shortcuts. Her motto is high impact, low fuss: splurge where it counts (butter, salt, time), streamline the rest (sheet pans, one bowl, cold-proofing). If it doesn’t improve flavor or structure, it doesn’t earn a step.