Not a classic recipe for classic lasagna

Ingredients:

Bolognese sauce:
Onion bulbs - 250 grams
Tomatoes in juice - 400 grams
Minced chicken - 1 kg
Drinking water - 200 milliliters
Black pepper - 1 teaspoon
Salt - 1 teaspoon
_________________________________

Béchamel:
Butter - 70 grams
Wheat flour - 70 grams
Milk - 700 milliliters
Black pepper - 1 teaspoon
Salt - 1 teaspoon
Nutmeg - 1 teaspoon
_________________________________

Pita bread - 320 grams (7 layers of pita bread)
Hard cheese - 200 grams

Oven \ 180 degrees \ 20 minutes