Ingredients for 6 servings

  • 1 large baking dish
  • 1 package of pre-cooked lasagna sheets
  • 500 g ground meat
  • 150 g sliced onions
  • 4 tablespoons olive oil
  • 10-12 tomatoes
  • Basil
  • Salt
  • Pepper
  • 1 liter semi-skimmed milk
  • 80 g cornstarch
  • 250 g grated Gruyère