1 egg and 1 teaspoon water
put onions, butter, sugar, vinegar in pan , brown
onions.
unfold 1 sheet puff pastry on lightly floured surface,
spread brie evenly over sheet
after onions cool slightly put on top, spread evenly
roll up each side so it meets in the middle like a(B)
if time permits, put in freezer for 1/2 hr
preheat oven to 375 degrees
slice into 1/2 inch thick slices with a serated knife
place slices on parchment paper lined baking sheet
mix egg and water withfork, then brush over slices
bake for 15 minutes or until golden brown