Cut all the vegetables in to small cubes and the green part of the leek in slices.
Drain away the water and place the vegetables on a kitchen towel.
In a bowl pour a full egg and one egg yellow. Add the herbs, ricotta cheese and spices. Mix well.
Add the vegetables and the flour and mix well.
Preheat the oven at 180 degrees Celsius
Roll out one puff pastry roll. Place the filling in the center, fold in the edges and cover with the second puff pastry roll. Place the strudel with the edges down.
Brush with the leftover egg yellow.
Place in the middle of the oven for 45 minutes.