Sauté the aromatics

• Heat the olive oil in a large frying pan over medium heat.
• Add the onion and garlic and cook until softened and fragrant.

Brown the beef

• Add the ground beef and break it up with a spatula.
• Cook until browned all over, then season with salt and pepper.

Build the sauce

• Pour in the tomato passata and add the dried oregano.
• Stir well and bring to a gentle simmer.

Cook the lasagna in one pan

• Break the lasagna sheets into pieces and add them to the pan.
• Pour in the water and stir so the sheets are covered by the sauce.
• Cover and cook, stirring occasionally, until the pasta is tender.

Add the cheese

• Scatter the grated mozzarella and parmesan over the top.
• Cover and cook until the cheese is fully melted.

Serve

• Scatter over the fresh basil.
• Serve hot straight from the pan.