
Start by placing the zucchinis in a grater.
Next, transfer this grater to a large pot over medium heat with boiling water and cook for 10 minutes.
After this time has passed, remove the zucchinis from the pot and cut them into thin slices.
Now, arrange the zucchini slices around the edges of 3 large glasses and add one sliced potato covering the bottom of the glasses.
Season with a pinch of salt and a pinch of black pepper.
Add one chicken breast cut into strips, dividing them among the glasses.
Season with salt and black pepper to taste.
Add 100g of grated mozzarella cheese, dividing it among the glasses and cover with another sliced potato.
Season again with salt and black pepper.
Next, repeat the layers with another sliced potato, season with salt and black pepper, add another chicken breast cut into strips and season.
Add another 100g of grated mozzarella cheese, +1 layer of potato slices, season and close them by wrapping everything in the zucchini slices.
Transfer to a large baking tray and brush the melted unsalted butter over everything.
Season with salt and black pepper to taste.
Place in a preheated oven at 180° C (350° F) and bake for 40 minutes.
Serve.