Ingredients for 6 servings

Lasagna for 6 people:
  • 1 large ovenproof dish
  • 1 package of pre-cooked lasagna sheets
  • 500 g minced meat
  • 150 g sliced onions
  • 4 tablespoons olive oil
  • 10-12 tomatoes
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  • 1 liter semi-skimmed milk
  • 80 g cornstarch
  • 250 g grated Gruyère cheese