For the chicken breast in broccoli puff pastry coating, first divide the broccoli into florets and cook until al dente. Then cut into small pieces and mix with the eggs and sour cream. Season with salt and pepper.
Trim the meat. Sear in a little oil on all sides and then season with salt and pepper. Cut chicken breasts in half or thirds depending on size.
Roll out the puff pastry. Place the meat on it and spread it thickly with the broccoli cream. Roll up the pastry or fold it into parcels. Press down well and brush with the beaten egg.
Place the chicken breast in the broccoli puff pastry coating in the oven at 180 °C for about 20 minutes.