Step 1:
1) Set oven to 220 C (425 F). Step 2:
2) Prepare onion and garlic and cook over low heat until soft. Step 3:
3) Add tomatoes and puree. Simmer over low heat for 10 minutes. Season and add sugar. Step 4:
4) Meanwhile, cook pasta. Step 5:
5) Stir cooked pasta into sauce and spoon mixture into dish. Sprinkle breadcrumbs and grated cheese over pasta. Step 6:
6) Bake for 20 minutes or until topping is golden brown and crisp.