Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
 213      gram          canned pink Alaska salmon
 250      gram          ready-made puff pastry
 100      gram          cucumber -- peeled and diced
     1/4  teaspoon      salt
  15      grams         butter
  15      grams         plain flour
  90      milliliters   milk
   3      tablespoons   sour cream
     1/2  teaspoon      freshly chopped tarragon -- (optional)

Preparation:

Pre-heat the oven to 220C, 450F, Gas mark 8. Drain can of salmon, reserve the juice. Set aside. Roll out pastry to 1/2 cm / 1/4 inch thick. Cut into four 8.5 cm / 3-inch rounds. Stand, rolled side down on a dampened baking tray for 30 minutes. Brush upper surface with milk. Bake for 10-15 minutes until golden. Cool. Sprinkle cucumber with 1/4 teaspoon salt, leave 15 minutes. Melt butter in a saucepan. Stir in flour, then salmon juice and milk. Bring to boil. Mix well. Add rinsed cucumber, cream, tarragon and salmon. Blend well. Cut each pastry round into three slices crossways. Pile half salmon filling onto bottom slices. Place middle layers on top and remaining filling over these. Top with puff pastry tops. Serve hot with vegetables.