Mozzarella Lasagna

• 1 onion
• 275 g mozzarella cheese
• 1 tablespoon cooking oil
• 350 g extra lean ground beef
• 500 g bolognese sauce
• salt and black pepper
• 25 g butter
• 25 g plain flour
• 300 ml milk
• 175 g lasagna sheets
• 25 g freshly grated parmesan cheese

1. Preheat your oven to 190C/375/F/Gas 5.
2. Peel and chop the onion and slice mozzarella thinly. Heat oil and fry onion and mince for 5 minutes, sirring. Add sauce, cover and simmer for 20 minutes. Season.
3. Meanwhile, melt butter in a pan. Stir in the flour and cook for 1 minute. Remove from heat and add milk. Stir the sauce over a low heat until thickened.
4. Spread a third of the meat sauce over the base of a 2 litre dish. Top with a third of the mozzarella, cover with a third of the lasagne sheets. Repeat layers twice. Spoon over white sauce. Sprinkle with Parmesan.
5. Bake for 45 minutes, until cooked through.

onion, mozzarella cheese, cooking oil, extra lean ground beef, bolognese sauce, salt, butter, flour, milk, lasagna sheets, parmesan cheese

Taken from www.food.com/recipe/mozzarella-lasagna-138119 (may not work)