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.