Instructions

Fry the chopped onion and crushed garlic in a little oil for 5 minutes.
Add the minced beef, mushrooms and herbs.
When meat is brown add 850g chopped tomatoes, sugar, tomato paste and salt to taste, and simmer for 30 minutes.
Cheese sauce: Melt some butter in a pan and stir in flour, milk, grated cheese and a pinch of nutmeg. Stir mixture constantly until thick.
Pour half the meat sauce into a baking dish, then add alternate layers of dry lasagna, meat mixture and cheese sauce, finishing with the cheese sauce.
Sprinkle with grated parmesan cheese and bake at 200C for 35 minutes.