Lasagna with vegetables, mushrooms, and ground meat

Ingredients

• Lasagna sheets - 16 pcs.
• Beef pulp (shoulder or rump) - 400 g
• Eggplant - 2 pcs.
• Bulb onions - 1 pcs.
• Fresh champignons - 400 g
• fresh basil - 2 bunch
• Tomato sauce - 500 ml
• Mozzarella cheese - 300 g
• Hard grated cheese - 50 g
• Olive oil - 6 tbsp.
• Salt to taste
• Salt, freshly ground black pepper to taste
• Milk - 380 ml
• Butter for greasing finished flatbreads - 50 g
• Flour - 3 tbsp.
• Grated nutmeg - 2 g