Zucchini "Lasagne" - cooking recipe

Ingredients

3 1/2 tbsp butter
1/3 cup all-purpose flour
2 cups milk
1 pinch freshly grated nutmeg
1.5 oz Parmesan cheese
None None Zucchini \"Lasagne\"
1 tbsp olive oil
2 None onions, finely chopped
2 cloves garlic, finely chopped
1 None carrot, finely chopped
2 stalks celery, finely chopped
3 slices bacon, finely chopped
1 lb ground pork
1 lb ground veal
1 cup red wine
2 tbsp tomato paste
2 (13.5 oz) cans chopped tomatoes
3 None medium zucchini, sliced lengthwise
3 oz mozzarella cheese, grated

Preparation

For Bolognese sauce, heat oil in a large frying pan over medium-high heat. Add onions, garlic, carrot, celery and bacon. Cook, stirring, for about 5 mins, or until softened. Add pork and veal and brown. Add wine and cook, stirring, for about 20 mins. Add tomato paste and chopped tomatoes. Simmer, uncovered, for 2 hours, or until very thick. Season.
Meanwhile, to make cheese sauce, melt butter over medium heat. Add flour and cook, stirring, for 1 min, or until mixture thickens and bubbles. Gradually add milk, stirring constantly. Cook, stirring, until mixture boils and thickens. Add nutmeg and Parmesan.
Preheat oven to 400\u00b0F. Transfer Bolognese sauce to a large baking dish. Arrange zucchini slices, overlapping slightly, over top then cover with cheese sauce. Sprinkle with mozzarella and bake until cheese is melted and browned, around 40-50 mins.