Wash the zucchinis well and cut them lengthwise into thin strips.
Sprinkle a little salt to your liking and let it rest for about 40 minutes.
Meanwhile, fry the ground beef in the oil and when it is golden add the onion, tomato and bell pepper, sauté for about 5 minutes.
Add the tomato paste and water and let the sauce thicken.
Season the stew to your liking.
Be careful not to make the sauce too watery.
Remove the water that the zucchini created, drain well.
In a refractory put a little sauce, a layer of zucchini, a layer of sauce, a layer of cheese, a layer of cream (put the whole box), zucchini, sauce, cheese, decorate with slices of tomato and sprinkle oregano to taste.