Onion Tart

Directions

1. 1
   Place pastry on a lightly floured surface and roll to a 14x 11 rectangle.
2. 2
   Arrange on ungreased baking sheet, tucking edges under 1/2 inch all the way around.
3. 3
   Bake at 325 degrees until slightly puffed, about 5 minutes; let cool.
4. 4
   Meanwhile, saute bacon and onions until bacon is crisply cooked and onions are caramelized; drain.
5. 5
   Spread sour cream over cooled pastry.
6. 6
   Spoon onion and bacon mixture over sour cream.
7. 7
   Sprinkle with Parmigiano Reggiano cheese.
8. 8
   Bake 15 to 20 minutes.
9. 9
   Cut into squares and serve warm.