Preheat oven to 200°C/390°F. Spray a roasting dish with oil.
Place red pepper, red onion and tomatoes and juice in dish. Sprinkle over stock powder and season with black pepper. Roast in preheated oven for 40 minutes, stirring occasionally.
Cook spaghetti following packet instructions.
Remove tomato mixture from oven and stir in basil, balsamic vinegar and sugar.
To serve, place drained spaghetti in a bowl. Pour over sauce and garnish with basil leaves. Serve, place drained spaghetti in a bowl. Pour over sauce and garnish with basil leaves. Serve with a green salad garnished with nuts.
Notes
Modified from: MacKenzie, Kristen; Gibbons, Megan; (2005) Fit Food For Winners Nestle NZ Ltd