How to prepare the dough:
In a mixer with a dough hook, place all the ingredients.
Mix on low speed until you get a smooth and uniform dough. Wrap the dough in plastic wrap and transfer to the refrigerator to cool for at least an hour.
Roll out the dough using a pasta machine until you get thin and uniform lasagna sheets.

How to prepare the filling:
In a bowl, mix the ricotta cheese, cottage cheese, salt, pepper and garlic powder.
Wash the spinach well, chop coarsely, and you can also steam it lightly in a pan (optional) to remove the liquids.

Assemble the lasagna:
Lightly grease a baking dish, place a first layer of pasta sheets.
Then spread a generous layer of cheese filling and spinach on top.
Add a thin layer of tomato puree and repeat the order at least twice and sprinkle a generous amount of mozzarella cheese on top.

Baking: Bake in a preheated oven at 180 degrees (turbo) for about 30 minutes, until the lasagna is browned and bubbly.