Ingredients:
40 g butter
2 tablespoons flour
500 ml milk
A bunch of spring onions, chopped
300 g penne rigate pasta
150 g hard grated
1 onion, chopped
2 cloves of garlic, minced
600 g minced beef
300 g chopped canned tomatoes in their own juice
150 g hard mozzarella cheese, grated
Salt and black pepper to taste
Directions:
