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Lemon and Poppyseed Croissant

Flaky, buttery croissants with a bright citrusy lemon flavor and delicate crunch of poppy seeds. Perfect for brunch, breakfast, or a sweet treat.
Prep Time 45 minutes
Cook Time 20 minutes
Total Time 5 hours
Course Breakfast, Pastry
Cuisine French
Servings 12 servings
Calories 300 kcal

Ingredients
  

  • 4 cups 500g all-purpose flour, plus extra for dusting
  • 2 ¼ teaspoons 7g instant dry yeast
  • ¼ cup 50g granulated sugar
  • 1 teaspoon salt
  • 1 cup 240ml whole milk, lukewarm
  • ¼ cup 57g unsalted butter, melted and cooled slightly
  • 1 tablespoon lemon zest
  • 1 tablespoon poppy seeds
  • 1 ½ cups 340g cold unsalted butter
  • ¼ cup 57g softened unsalted butter
  • ¼ cup 50g granulated sugar
  • 1 tablespoon lemon zest
  • 1 tablespoon poppy seeds
  • A pinch of salt
  • 1 large egg
  • 1 tablespoon of milk or water

Instructions
 

  • In a large bowl, whisk together the flour, yeast, sugar, and salt.
  • In a separate bowl, whisk together the lukewarm milk, melted butter, lemon zest, and poppy seeds.
  • Add the wet ingredients to the dry ingredients and mix until a shaggy dough forms.
  • Turn the dough out onto a floured surface and knead for 5-7 minutes, until smooth and elastic.
  • Form dough into a rectangle, wrap in plastic wrap, and chill for at least 2 hours, or preferably overnight.
  • Place cold butter between parchment paper and pound into a flat rectangle.
  • Keep butter block refrigerated until ready to use.
  • Roll chilled dough into a rectangle twice the size of butter block.
  • Place butter block in the center of the dough.
  • Fold dough over butter like a letter, enclosing it completely. Pinch edges to seal.
  • Turn dough 90 degrees. Roll into a long rectangle.
  • Fold dough into thirds, like a business letter (first turn).
  • Wrap dough in plastic wrap and chill for at least 30 minutes.
  • Repeat rolling, folding, and chilling process three more times (total four turns).
  • After fourth turn, wrap dough and chill for at least 2 hours, or preferably overnight.
  • Cream together softened butter, sugar, lemon zest, poppy seeds, and salt for filling.
  • Roll chilled dough into a large rectangle.
  • Spread lemon poppyseed filling evenly over half of the dough.
  • Fold the other half of the dough over the filling.
  • Trim edges of dough to create a clean rectangle.
  • Cut dough into triangles.
  • Roll up triangles from base to tip to shape croissants.
  • Place shaped croissants on a baking sheet lined with parchment paper.
  • Proof croissants at room temperature for 1.5-2 hours, or until puffy.
  • Preheat oven to 375°F (190°C).
  • Whisk together egg and milk (or water) for egg wash.
  • Brush tops of croissants with egg wash.
  • Bake for 18-22 minutes, or until golden brown and cooked through.
  • Let croissants cool slightly before transferring to a wire rack.