On olive. oil should fry the garlic and onion and adding the mushrooms to simmer for 15 minutes. Then add minced meat, tomato paste and spices and simmer until cooked. For sauce: fry the flour on the drain. oil, add milk, spices and stirring to cook until cooked. Mix lasagni layers with filling, and add the sauce, sprinkle with grated cheese on top and bake for 30 minutes until a brown crust.
