Tomato Sauce

Bahan-bahan (4 porsi)

• 2 tablespoons olive oil
• 1 small onion (diced)
• 2 cloves garlic (minced)
• 28 ounces canned whole tomatoes (with juices, 1 can)
• ½ teaspoon dried basil
• 1 tablespoon chopped fresh parsley
• salt and pepper to taste