1. Brush the edges of the puff pastry with a little water, put another piece of puff pastry on top, and press lightly with a fork to make it firm.
2. Roll up the puff pastry, wrap it in plastic wrap, and freeze for 10 minutes for later use.
Preheat the oven to 180 degrees.
3. After beating eggs and sugar well, add milk and fresh cream and beat evenly again.
Strain for a more even texture.