Polish National Dishes

Rogal świętomarciński: Polish Saint Martin’s white-poppy croissants

These generous crescent pastries pair yeast-raised laminated dough with a rich white-poppy filling, raisins, candied orange and nuts. A thin lemon icing and chopped almonds finish each golden pastry. The recipe makes eight large pastries and spreads the work over a few rests so the dough stays cool and flaky.

Polish National Dishes
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A wide view of „Rogal świętomarciński: Polish Saint Martin’s white-poppy croissants“ arranged on a table for serving.
Yield 8 large pastries
Serving 1 crescent pastry
Difficulty advanced; requires three folds and several chilling rests
Dish type Polish yeast-laminated pastry with white poppy, dried fruit and nuts
Ingredients ↓
About the dish

Rogal świętomarciński: Polish Saint Martin’s white-poppy croissants

These pastries are distinguished by their crescent form and a filling based on white poppy seeds rather than the more familiar blue poppy. The official protected specification also includes crumbs, egg, dried fruit, nuts, candied fruit, icing and chopped nuts. This approachable batch follows that flavour profile but uses a home-kitchen method and does not claim protected status.

Yeast dough is layered with baking margarine through repeated rolling and folding. The dough needs to remain cool so the fat forms layers instead of melting into it. If it springs back while rolling, cover and chill it for 15 minutes. A little unevenness is normal in handmade pastry; avoid adding lots of flour, which can make the layers tough.

The filling should be thick and cool before it goes onto the dough. White poppy seeds are soaked, drained very well and ground, then mixed with sugar, crumbs, egg, margarine, raisins, candied orange and nuts. Divide it evenly so every pastry bakes at a similar rate. The finished croissants are large and rich, so one is a substantial serving.

Tips for success

Tips for success

  • Use block baking margarine that is pliable yet cool; soft tub margarine will not make clear layers.
  • Drain the soaked poppy seeds until no water drips from the sieve, or the filling may leak.
  • Chill the filling until firm and divide it into eight equal portions before shaping.
  • Keep the dough and fat at a similar cool temperature during rolling; pause in the refrigerator if either becomes greasy.
  • Pinch the seam closed and place each pastry seam-side down so it does not unroll in the oven.
  • Brush lightly with egg wash and bake until deeply golden, including underneath.
Ingredients

Ingredients

Yeast dough

  • 500 g strong white bread flour, plus a little for rolling
  • 150 ml lukewarm whole milk
  • 50 g beaten egg (about 1 large egg)
  • 50 g fine sugar
  • 15 g fresh yeast
  • 50 g soft baking margarine
  • 7 g fine salt
  • 3 g finely grated lemon zest

For the layers

  • 200 g cold block baking margarine, pliable but not greasy

White-poppy filling

  • 180 g white poppy seeds
  • 400 ml boiling water for soaking, to be drained away
  • 65 g fine sugar
  • 45 g fine dry breadcrumbs
  • 40 g beaten egg
  • 25 g soft baking margarine
  • 35 g finely chopped raisins
  • 30 g finely chopped candied orange peel
  • 35 g finely chopped almonds or walnuts
  • 1 ml almond extract

To finish

  • 1 egg yolk (about 18 g), beaten with 10 ml milk
  • 120 g icing sugar
  • 15–20 ml lemon juice or water
  • 32 g finely chopped almonds
Method

Method

Directions

  1. Soak and grind the poppy seeds.Pour the boiling water over the white poppy seeds and leave for 30 minutes. Drain very thoroughly in a fine sieve and cool. Grind the drained seeds finely in a food processor or sturdy grinder, working in batches. Mix with the sugar, breadcrumbs, beaten egg, 25 g margarine, raisins, candied orange, nuts and almond extract. Cover and chill until firm.

  2. Make and proof the dough.Stir the yeast into the lukewarm milk with a spoonful of the measured sugar. Leave for 5–10 minutes until foamy. Add the flour, remaining sugar, beaten egg, 50 g dough margarine, salt and lemon zest. Knead for 8–10 minutes until smooth and elastic. Cover and leave in a warm place for about 60 minutes, until doubled.

  3. Laminate the dough.Roll the dough into a rectangle about 30 × 40 cm. Spread the 200 g pliable block margarine over two-thirds of the dough, leaving a narrow border. Fold the uncovered third over the centre, then fold the remaining third over that layer. Cover and chill for 20 minutes. Roll the packet out again and fold into thirds two more times, chilling for 15–20 minutes between folds. Keep the dough cool; if the fat starts to soften or squeeze out, stop and chill it.

  4. Fill and shape.Roll the rested dough to about 5 mm thick and cut eight elongated triangles with bases about 9–10 cm wide. Divide the cold filling into eight equal portions and shape each into a short rope. Set one along each triangle base, leaving the edges clear. Cut a 2 cm slit at the centre of each base, fold the corners slightly outward, then roll from the base toward the point. Curve the ends into a crescent and pinch the seam closed.

  5. Proof and bake.Arrange the pastries seam-side down on two parchment-lined trays, leaving room to expand. Cover lightly and proof for 35–45 minutes, until visibly puffy. Heat the oven to 180 °C conventional (160 °C fan). Brush each pastry lightly with the egg-yolk mixture. Bake one tray at a time for about 25–30 minutes, rotating once, until deeply golden and baked underneath. If checking the filling, use a clean thermometer and make sure its centre reaches at least 74 °C. Transfer to a rack and cool completely.

  6. Ice and decorate.Stir the icing sugar with enough lemon juice or water to make a thick, pourable glaze. Spoon it over the cooled pastries and immediately scatter with chopped almonds. Let the icing set before serving.

Troubleshooting

Troubleshooting

  • The margarine cracks through the doughIt is colder or firmer than the dough. Pause and let the packet sit briefly until both are cool but pliable, then continue gently.
  • The dough feels greasyThe fat is melting. Cover and chill the dough for 15–20 minutes before rolling again.
  • The filling is looseThe poppy seeds may not have been drained well enough. Mix in a little more of the measured breadcrumbs and chill until firm before shaping.
  • The filling leaks during bakingLeave the triangle edges clear, avoid overfilling, and pinch the dough seam closed underneath.
  • The croissants unrollPlace them seam-side down and tuck the pointed end underneath when setting them on the tray.
  • The outside browns too quicklyMove the tray to a lower oven rack and reduce the temperature slightly; continue until the pastry is baked underneath and the filling is hot through.
Nutrition per serving

Nutrition per serving

  • Serving1 large pastry
  • Caloriesabout 810 kcal
  • Carbohydratesabout 93 g
  • Proteinabout 17 g
  • Fatabout 41 g
  • Saturated fatabout 12 g
  • Fibreabout 6 g

These are approximate values per pastry, calculated from generic ingredient references and one-eighth of the batch. Margarine brands, moisture in the poppy seeds, pastry size and the amount of glaze that remains on each pastry can change the result.

Allergens and food safety

Allergens and food safety

Serving, storage and make-ahead: Serve the pastries once the icing has set. Their rich filling makes one a generous portion; coffee or tea is a simple accompaniment. The poppy filling can be made a day ahead and refrigerated, covered. The dough can also be chilled after its first rise, then brought just cool enough to roll; allow extra time if it is very firm.

Serving, storage and make-ahead: Store completely cooled pastries in an airtight container at room temperature for up to 2 days for the best texture. If the room is hot or you need to keep them longer, refrigerate and use within 3 days. Freeze uniced pastries for up to 2 months. Thaw at room temperature, refresh in a 160 °C oven for 5–8 minutes, cool fully, then add the icing and almonds.

This recipe contains wheat/gluten, milk, egg and almonds or walnuts. Check the labels on baking margarine, breadcrumbs and candied peel for additional allergens. Wash hands, the grinder, board and utensils after handling raw egg. Do not taste raw dough or filling. Bake the egg-containing filling until hot through; if you check it with a clean instant-read thermometer, aim for at least 74 °C at the centre. Cool pastries fully before storing, and refrigerate them if the room is hot or storage will exceed 2 days.

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