Finely dice, slice, grate or mince as above starting with frying off the streaky bacon in the frypan until crispy and then add in the leeks, shallots, garlic for a few minutes then the grated zucchini and spinach. Season with salt & pepper then when cooked transfer into a bowl
When cooled a little add in the tub (500 grams) of ricotta and stir through
In a separate bowl whisk the eggs then add in a handful of parmesan to the egg mixture and transfer into the cheese and green mixture. Combine and then transfer into your oven proof dish
Melt butter and layer on the filo pastry brushing with butter between each layer. I added about 6 or so layers with the melted garlic between each layer
Sprinkle with sesame seeds and put into 160/170 degree oven for about 45 mins or until golden brown