Instructions

  1. In a large skillet, cook the onions, butter, brown sugar and vinegar over medium-low heat until onions are golden brown, stirring frequently.
  2. Remove with a slotted spoon and cool to room temperature.
  3. On a lightly floured surface, roll puff pastry into an 11x8 inch rectangle.
  4. Spread Brie over pastry.
  5. Cover with the onions; sprinkle with caraway seeds.
  6. Roll up one long side to the middle of the dough; roll up the other side so the two rolls meet in the center.
  7. Using a serrated knife, cut into 1/2 inch slices.
  8. Place on parchment paper-lined baking sheets; flatten to 1/4 inch thickness.
  9. Refrigerate for 15 minutes.
  10. In a small bowl, beat egg and water; brush over slices.
  11. Bake at 375°F for 12-14 minutes, or until puffed and golden brown.