Kouign-Amann: Mastering Brittany's Laminated Butter Cake

Overview

Kouign-Amann is Brittany's famously challenging 'butter cake,' created in 1860, featuring 81 layers of dough, butter, and caramelized sugar. Mastering this pastry requires precise temperature control, careful lamination techniques, and specific timing for sugar incorporation and unmolding. When perfected, it boasts a shatteringly crisp, amber-dark exterior and a soft, honeycomb-like interior.

Ingredients

• 500 grams bread flour
• 10 grams fine sea salt
• 7 grams instant yeast
• 320 milliliters lukewarm water (24 degrees Celsius)
• 15 grams melted butter
• 300 grams cold, high-fat European butter (minimum 82 percent butterfat)
• 250 grams white caster sugar
• Softened butter (for greasing rings)
• 50 grams sugar (for coating rings)

Instructions

1. In a stand mixer, combine 500 grams of bread flour, 10 grams of fine sea salt, and 7 grams of instant yeast.
2. Pour in 320 milliliters of lukewarm water at 24 degrees Celsius and 15 grams of melted butter.
3. Mix on low speed for 4 minutes until a rough, shaggy mass forms, then chill the dough.
4. Pound 300 grams of cold, high-fat European butter (at 15 degrees Celsius) into a 15-centimeter square block.
5. Encase the butter block completely inside the chilled détrempe.
6. Roll the dough out to 60 centimeters in length and perform your first single fold, bringing the top third down and bottom third up like a business letter.
7. Rotate the dough 90 degrees, roll out again, and execute a second single fold.
8. Sprinkle half of the 250 grams of white caster sugar over your workbench and the dough.
9. Roll the dough out to 60 centimeters, pressing the sugar directly into the layers, then fold it once more into a third single turn.
10. Sprinkle the remaining sugar, roll the dough again, and complete the fourth and final single turn.
11. Chill the dough block for a strict 20 minutes.
12. Generously grease twelve 8-centimeter steel pastry rings with softened butter and coat the insides with 50 grams of sugar.
13. Roll your rested, sugared dough to a thickness of 6 millimeters.
14. Using a sharp knife, trim the edges and cut the sheet into twelve 10-centimeter squares.
15. Take each square, gently stretch the four corners, and fold them into the center to create a four-leaf clover shape, pressing firmly in the middle.
16. Drop each shaped dough into a prepared ring on a parchment-lined tray.
17. Preheat your oven to 200 degrees Celsius.
18. Place the tray in the center rack and immediately drop the temperature to 190 degrees Celsius.
19. Bake for exactly 25 minutes, rotating the pan 180 degrees at the 15-minute mark for even browning.
20. Remove from the oven and unmold the pastries within 60 seconds.

In this video

• The Kouign-Amann, literally 'butter cake' in Breton, was created in 1860 in the coastal town of Douarnenez, Brittany.
• The base dough, or détrempe, requires 500 grams of bread flour, 10 grams of fine sea salt, 7 grams of instant yeast, 320 milliliters of lukewarm water at 24 degrees Celsius, and 15 grams of melted butter, mixed for 4 minutes.
• A 300-gram block of cold, high-fat European butter (minimum 82 percent butterfat) must be pounded into a 15-centimeter square and be precisely 15 degrees Celsius.
• Unlike croissants, 250 grams of sugar is added only during the final two folds of Kouign-Amann lamination to prevent the yeast from consuming it and the dough from weeping.
• The final lamination results in eighty-one layers of dough encasing butter and sugar, which then requires a strict 20-minute chill before shaping.
• For shaping, twelve 8-centimeter steel pastry rings are generously greased and coated with 50 grams of sugar, and the dough is cut into twelve 10-centimeter squares, folded into a four-leaf clover shape.
• Baking begins by preheating the oven to 200 degrees Celsius, then immediately dropping the temperature to 190 degrees Celsius for exactly 25 minutes, with a pan rotation at the 15-minute mark.
• If the pastry leaks massive pools of butter during baking, it indicates the butter block was too warm during lamination, causing it to melt rather than form distinct sheets.
• The perfect Kouign-Amann relies on the phase transition of water to steam lifting the dough, while the sugar reaches 160 degrees Celsius to trigger the Maillard reaction.
• Baked Kouign-Amann must be unmolded within 60 seconds of leaving the oven, as waiting even 3 minutes will cause the caramel to harden and permanently glue the pastries to the rings.

Frequently asked questions

What is Kouign-Amann?

Kouign-Amann is a notoriously demanding Breton 'butter cake' created in 1860, characterized by 81 laminated layers of dough, butter, and a glass-like caramelized sugar shell. Its name literally translates to 'butter cake' in the Breton language.

When is sugar added to Kouign-Amann dough?

Sugar is only incorporated during the final two folds of the lamination process for Kouign-Amann. Adding it earlier can cause the yeast to consume it or the dough to weep, compromising the pastry's structure.

What temperature should the butter be for Kouign-Amann?

The 300-gram butter block used for Kouign-Amann should be pounded into a 15-centimeter square and be precisely 15 degrees Celsius, or 60 degrees Fahrenheit, to ensure it is pliable but cold enough for lamination.

How do you prevent Kouign-Amann from sticking to the baking rings?

To prevent sticking, you must generously grease the steel pastry rings with softened butter and coat them with 50 grams of sugar. More critically, unmold the baked pastries within 60 seconds of removing them from the oven, before the caramel hardens.

What makes a perfect Kouign-Amann?

A perfect Kouign-Amann has a shatteringly crisp, amber-dark exterior and a soft, buttery, honeycomb-like interior structure. This is achieved by precise temperature control, correct sugar incorporation timing, and the sugar reaching 160 degrees Celsius to trigger the Maillard reaction.