Step 2
Meanwhile, in large pot, heat remaining 1 tablespoon olive oil. Add onion and cook for 4 minutes, or until tender, then add 1 clove garlic and cook for 1 more minute. Add tomatoes and juices, and gently crush tomatoes with wooden spoon. Let sauce come to a boil, then reduce heat and simmer for 15 minutes. Stir in sugar and basil, and season with salt and pepper.