Method
Step 1. Warm the oil in a small saucepan; add the pepper, onion, tomato, garlic, water, vinegar and sugar. Cover and cook for 15 minutes, stirring occasionally, until softened and juicy. Puree mixture with a stick blender and season.
Step 2. Meanwhile, cook pasta as per packet directions and then drain but reserve ½ cup cooking water. Combine the pasta and sauce over medium heat and add reserved cooking water to loosen sauce if required. Transfer to serving bowl, sprinkle with parmesan, and serve with a simple green salad of lettuce and herbs.
