====== gâteau Breton ======

===== Ingredients =====

  * 150 g Butter
  * 150 g Sugar
  * 3 Egg Yolks
  * 1 tablespoon Dark Rum
  * 250 g Flour
  * 2.5 g Sea Salt - fine
  * 1 Egg Yolk
  * 1 tablespoon water

===== Procedure =====
  - Preheat oven to 350 f
  - Cream butter and sugar
  - Add egg yolks and mix
  - Add Dark Rum and mix
  - Combine flour and salt
  - Add to wet mixture gradually while mixing
  - Knead with dough hook for 4 minutes
  - Grease an 8 inch spring form pan
  - Press dough into place evenly and smooth top with a spoon
  - Score top with a fork in the classic pattern
  - Combine egg yolk and water to make an egg wash
  - Brush the top of the dough with the egg wash
  - Bake in a middle rack for 40 minutes