1-Unroll one sheet of puff pastry and: Unroll one sheet of puff pastry and cut it in half across the middle.
2-Spread the green pesto on the top: Spread the green pesto on the top half and the red pesto on the bottom half.
3-Unroll the second sheet of pastry and: Unroll the second sheet of pastry and place it on top, pressing everything down together.
4-Use a medium sized star cutter to: Use a medium sized star cutter to cut out star shapes from the pastry.
5-Take a piece of parchment paper and: Take a piece of parchment paper and a large dinner plate.
6-Draw around the edge of the plate: Draw around the edge of the plate so that you have a perfect circle marked out on the paper.
7-Arrange the stars on the paper, following: Arrange the stars on the paper, following the circle shape round and overlapping the stars slightly.
8-Whisk the egg in a small bowl: Whisk the egg in a small bowl with a fork and brush onto the top of the pastry stars.
9-Sprinkle the grated parmesan on top: Sprinkle the grated parmesan on top.
10-Bake in the oven at 200c fan: Bake in the oven at 200c fan for 15 minutes.
11-When cooked, remove from the oven: When cooked, remove from the oven. You can serve the pastry wreath on the paper you cooked it on or you can transfer it to a board or plate.