Preheat the oven to 400°F.

Place these zucchini in the colander, then sprinkle it with salt.

Let it wait for 10 minutes.

After this, squeeze out the rest of the moisture.

Add and combine the zucchini with the eggs.

Add half of the cheddar, parmesan, and half of the mozzarella.

Pour it into a greased 13x9-inch baking dish.

Then bake it for 20 minutes.

After this, take a large saucepan, add the beef and the onion on medium heat, and cook it until the meat changes its color.

Then make it crumbles, drain it.

Add tomato sauce spread the spoon of it on the mixture of zucchini.

Sprinkle the rest of the cheese, add the pepper green.

Bake it until it gets heated through for just 20 minutes more and enjoy.