Poppy Seed Strudel — Austrian Mohnstrudel

i. Origin & history

Strudel is the signature pastry of the former Habsburg lands, and Vienna is its spiritual home. The technique of stretching a dough until it is thin enough to read through is often traced to the Ottoman influence on Hungary in the sixteenth and seventeenth centuries, when layered filo pastries such as baklava were known across the region; it is a plausible story, though the exact path is hard to document. The oldest surviving strudel recipe usually cited, a handwritten one from 1696 held in Vienna's city library, is for a milk-cream strudel, and the familiar fillings — apple, quark, cherry, poppy seed — followed.

Poppy seeds fit naturally into that tradition. Central Europe has long grown poppies for food, and Austria's Waldviertel region, in particular, produces a prized grey poppy seed with EU protected status. Poppy seeds were a cheap, nourishing, long-keeping filling, and their symbolic association with abundance made them a favourite for Christmas and Easter.

In German, Strudel means a whirlpool or eddy, a reference to the spiral of thin pastry and filling you see in a cut slice. Mohn means poppy. Across the former empire the pastry has many names: mákos rétes in Hungary, makový závin in Czechia and Slovakia, štrudl s makom in Croatia and Serbia and makov zavitek in Slovenia, where rolled poppy-seed potica is also a festive bread.

The word Mohnstrudel can refer to two different pastries, and that is a frequent source of confusion. One is the stretched-dough strudel in this recipe, crisp and flaky. The other, common in Austrian and Czech bakeries, is a Germteig-Mohnstrudel made with soft, enriched yeast dough, closer to a bread roll and to the German Mohnstriezel and Polish makowiec.

ii. How strudel dough stretches so thin

Strudel dough is made from a strong flour, lukewarm water, a little oil and salt — no egg in most Viennese recipes, and no butter. It is kneaded and slapped against the worktop for several minutes to develop a strong, elastic gluten network, then brushed with oil and rested for at least an hour. The rest is crucial: it relaxes the gluten so the dough can be stretched without springing back or tearing.

The stretching is done on a large tablecloth dusted with flour. The dough is rolled out a little, then lifted on the backs of the hands — never the fingertips, which poke holes — and gently pulled from the centre outwards, working around the table, until it is translucent and covers the cloth. Viennese cooks traditionally say you should be able to read a newspaper through it. The thick edge is trimmed away.

The tablecloth also does the rolling. The filling is spread over part of the dough, the pastry is brushed with melted butter, and the cloth is lifted so the strudel rolls itself up into a long log. The many thin layers of dough and butter bake into a crisp, flaky, shattering crust.

The poppy-seed filling must be thick and fairly dry so it does not soak the delicate dough. Ground poppy seeds are cooked in milk with sugar, butter and honey until thick, then bound with semolina or breadcrumbs and an egg. A good filling should hold its shape on a spoon and taste rich, nutty and lightly sweet, lifted with lemon zest, cinnamon and rum-soaked raisins.

iii. Ingredients

Makes 10 servings · scroll the side panel to adjust

• 250 g strong white bread flour
• 130 ml lukewarm water
• 2 tbsp neutral oil, plus extra for brushing
• 1 pinch salt
• 250 g ground poppy seeds
• 250 ml whole milk
• 100 g caster sugar
• 40 g unsalted butter (filling)
• 2 tbsp honey
• 30 g fine semolina or breadcrumbs
• 60 g raisins, soaked in 1 tbsp rum
• 1 unwaxed lemon, finely grated zest
• ½ tsp ground cinnamon
• 1 egg
• 80 g unsalted butter, melted, for brushing
• 2 tbsp icing sugar, to dust

Strong bread flour has more gluten and makes a dough that stretches thin without tearing; Austrians use a fine, high-protein flour for strudel. The oil in the dough and on the surface keeps it supple. If stretching your own dough is daunting, filo pastry is a reasonable shortcut: use 6–8 sheets, each brushed with butter. Buy ground poppy seeds freshly ground, or grind them yourself; whole seeds will not make a filling. Some families add grated apple, chopped walnuts or a little plum jam to the filling.

iv. Method

1. Mix the flour, water, oil and salt into a dough and knead for 8–10 minutes, slapping it on the worktop occasionally, until very smooth and elastic. Shape into a ball, brush with oil, cover with a warm bowl and rest for at least 1 hour.
2. For the filling, bring the milk, sugar, butter and honey to the boil. Stir in the poppy seeds and semolina and simmer, stirring, for 3–4 minutes until thick. Add the raisins, lemon zest and cinnamon, cool completely, then beat in the egg.
3. Heat the oven to 190 °C (375 °F), conventional heat. Line a large baking tray with baking paper.
4. Spread a large tablecloth on a table and dust it with flour. Roll out the dough a little, then lift it onto the backs of your hands and stretch it gently from the centre outwards, working around the table, until it is thin enough to see the pattern of the cloth through it, about 80 × 60 cm. Trim off the thick edges.
5. Brush the dough with some of the melted butter. Spread the poppy-seed filling in a strip along one short side, about 10 cm wide, leaving a 5 cm border at the edges.
6. Fold the side edges over the filling. Lift the tablecloth at the filled end and let the strudel roll itself up loosely. Roll it onto the baking tray, seam side down, curving it into a horseshoe if necessary.
7. Brush generously with melted butter and bake for 35–40 minutes, brushing again halfway, until deep golden and crisp.
8. Rest for at least 15 minutes, dust with icing sugar and slice with a serrated knife.

v. Tips & common mistakes

• Rest the dough fully. An unrested dough fights back and tears. One hour in a warm place makes it soft and extensible.
• Stretch with the backs of your hands. Fingertips poke holes. Small holes do not matter, as they are hidden when the strudel is rolled.
• Make the filling thick and cold. A warm or runny filling soaks the thin dough and makes the strudel soggy.
• Roll loosely. The filling expands in the oven. A tightly rolled strudel bursts at the seam.
• Be generous with butter. Butter between the layers is what creates the flaky, crisp crust. Brushing again halfway through baking keeps it golden.
• Let it rest before slicing. Hot strudel crumbles and the filling slides out. Fifteen minutes gives clean slices.

vi. Variations

Germteig-Mohnstrudel, made with soft yeast dough instead of stretched dough, is the version most often found in Austrian and Czech bakeries. Mohn-Topfen-Strudel combines poppy seeds with a quark filling, and Mohnstrudel with apple or pear adds grated fruit for moisture and sweetness — poppy seed and pear is a classic Austrian pairing, also used in cakes and tarts. Hungarian mákos rétes often has lemon and sour-cherry versions, and the Christmas bejgli pairs poppy-seed and walnut rolls.

The strudel family includes the Viennese Apfelstrudel and Topfenstrudel. For other poppy-seed bakes, see German Mohnkuchen, the yeasted Mohnstriezel and the Hungarian bread pudding mákos guba.

vii. Serving & storage

Mohnstrudel is served warm or at room temperature, in thick slices dusted with icing sugar, with coffee or as a dessert. In Austria it is often served with whipped cream, vanilla sauce or vanilla ice cream, and it is a traditional bake for Christmas and Easter.

It is at its crispest on the day it is baked. Covered at room temperature, it keeps for two to three days; refresh slices in a 180 °C (355 °F) oven for 5–10 minutes to crisp the pastry again. The baked strudel freezes well for up to two months; reheat from frozen in a moderate oven. The poppy-seed filling can be made up to two days ahead and kept in the refrigerator.

ix. More from Austrian & German

• Apfelstrudel — Viennese apple strudel
• Topfenstrudel — quark strudel
• Mohnkuchen — poppy-seed cake
• Mohnstriezel — poppy-seed plait
• Mákos Guba — Hungarian poppy-seed bread pudding
• Galaktoboureko — Greek filo custard pie