Buckwheat Apple Strudel

Steps

1. 1

   Make the dough

   • In a large mixing bowl, whisk together buckwheat flour, all-purpose flour, and salt.
   • Add the softened butter, cut into small pieces, and the room-temperature egg.
   • Using your hands or a wooden spoon, mix until the ingredients form a shaggy mass.
   • Add the vinegar and ¼ cup (60 ml) water, mixing gently until a soft dough forms.
   • If the dough is crumbly and doesn't hold together, add 1 tablespoon of water or milk at a time until it comes together.
   • Knead gently in the bowl for 2 minutes to develop structure—the dough should be soft and slightly sticky but not wet.

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   Ready when: Soft dough that holds together but is still slightly sticky; no dry flour visible

   Tip: Don't overwork the dough; buckwheat can become tough if kneaded too much. Mix just until combined.

2. 2

   Rest the dough

   • Cover the bowl with a damp kitchen towel or plastic wrap.
   • Let the dough rest at room temperature for 30 minutes.
   • This allows the buckwheat flour to fully hydrate and makes the dough easier to roll out without cracking.
3. 3

   Prepare the apple-walnut filling

   • While the dough rests, peel, core, and dice the apples into ½-inch (1.3 cm) pieces.
   • Heat a 12-inch (30 cm) skillet over medium heat and add the butter.
   • Once the butter foams and the foam subsides, add the diced apples, sugar, cinnamon, nutmeg, lemon zest, and salt.
   • Stir well to combine.
   • Cook, stirring occasionally, for 12–15 minutes until the apples are tender and have released their liquid; you should see the pan beginning to dry slightly as the liquid reduces.
   • Stir in the chopped walnuts in the last minute of cooking.
   • Transfer the filling to a bowl and let cool to room temperature, about 10–15 minutes, stirring occasionally.

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   Ready when: Apples are tender with distinct pieces, liquid is mostly reduced, and walnuts are fully incorporated

   Tip: Don't overcook the apples until they turn to mush; they'll continue to soften as they cool. You want distinct apple pieces for texture.

4. 4

   Roll out the doughOven 375°F / 190°C

   • Preheat the oven to 375°F (190°C).
   • Lightly dust a clean countertop with buckwheat flour.
   • Transfer the rested dough to the floured surface and gently flatten it with your hands into a rough rectangle.
   • Using a rolling pin, roll the dough into a 12×16-inch (30×41 cm) rectangle, about ¼-inch (6 mm) thick.
   • If the dough tears, pinch it back together.
   • Transfer the rolled dough to the parchment-lined baking sheet, centering it and letting the edges hang over slightly.

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   Ready when: Dough is rolled to ¼-inch thickness and fits on the baking sheet

   Tip: Work quickly and gently with buckwheat dough; it's more fragile than wheat dough and won't stretch as much. If it springs back, let it rest for 1 minute and try again.

5. 5

   Layer the breadcrumbs and filling

   • Sprinkle the breadcrumbs evenly over the dough, leaving a ½-inch (1.3 cm) border on all edges.
   • This absorbs moisture from the apples and prevents a soggy bottom crust.
   • Spoon the cooled apple-walnut filling over the breadcrumbs, spreading it in an even layer while maintaining the same ½-inch border all around.
   • The filling should be about 1 to 1.5 inches (2.5–4 cm) thick.

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   Ready when: Even layer of breadcrumbs and filling with visible border on all sides

6. 6

   Roll and seal the strudel

   • Starting from one of the long sides of the rectangle (the 16-inch side), grasp the edge of the parchment paper and use it to help roll the dough tightly around the filling, like rolling up a jelly roll.
   • Once completely rolled, position the strudel seam-side down on the baking sheet.
   • Gently press the seam to seal it, and tuck the ends underneath to create a neat, tidy package.

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   Ready when: Strudel is tightly rolled with sealed seams and tucked ends

   Tip: Using the parchment paper makes rolling much easier. Take your time; a tight roll prevents the filling from leaking out during baking.

7. 7

   Brush with butter

   • Using a pastry brush, brush the entire surface of the strudel—top and sides—with the melted butter, using about 3–4 tablespoons.
   • This creates a golden, crispy crust and adds rich flavor.

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   Ready when: Strudel is evenly coated with a thin layer of butter

   Tip: If the butter solidifies as you work, gently reheat it.

8. 8

   Bake the strudelOven 375°F / 190°C

   • Place the baking sheet in the preheated 375°F (190°C) oven and bake for 35–40 minutes, until the strudel is deep golden brown on the top and sides and the butter is bubbling around the edges.
   • The kitchen will smell wonderfully aromatic.
   • If the top is browning too quickly before the interior is baked (usually after 25–30 minutes), loosely tent with aluminum foil to slow the browning.

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   Ready when: Deep golden brown crust on top and sides, butter bubbling at edges, strong apple-cinnamon aroma

   Tip: Tent with foil if browning too quickly; the filling needs time to heat through.

9. 9

   Cool and finish

   • Remove the baking sheet from the oven and let the strudel rest on the sheet for 10 minutes.
   • This allows it to set slightly, making it easier to move without breaking apart.
   • Transfer the strudel to a wire cooling rack and let it cool completely, about 30–40 minutes.
   • Once cool, dust the top generously with powdered sugar.
   • Slice with a sharp serrated knife, using a gentle sawing motion to avoid cracking the crust.

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   Ready when: Strudel is completely cool and dusted with powdered sugar

   Tip: Cool completely before slicing for clean cuts. A serrated bread knife works better than a chef's knife for strudel.