1. Prepare the ingredients, take out the flying cakes in advance and thaw them for later use.
2. Take out four flying cakes, put two of them together, and wait until the flying cakes are thawed, the two flying cakes are almost sticky.
3. Cut the two merged flying cakes to four sides, almost 10*10 square shape.
4. On the cut noodles, use a knife to make 4 lanes about 1cm away from the edge. There are two corners that cannot be drawn to the bottom.
5. Brush a layer of whole egg liquid on the dough.
6. Fold one side over and press tightly.
7. Fold the other side and press it tightly.
8. Brush another layer of egg liquid on the surface.
9. Put some blueberry jam in the center and put it on a baking sheet covered with tin foil.
10. Put it in a preheated 200 degree oven, middle level, up and down heat, about 15 minutes, bake until the surface is golden.
11. The simple and delicious blueberry puff pastry is out!
