Baked Meatballs with Simple Tomato Sauce

Name: Baked Meatballs with Simple Tomato Sauce
Cuisine: European, Italian, Mediterranean
Ingredients: 500g lean beef mince; 1 small onion, grated; 1/2 cup breadcrumbs; 3 tbsp fresh parsley, basil or coriander leaves, chopped; 1 egg, lightly beaten; 1/2 tsp cumin; 1/2 tsp paprika; pepper to taste; 2 tbsp olive oil; 2 x 400g tins no added salt crushed or chopped tomatoes; 1/2 tsp sugar