- First, get all of your vegetables ready. Peel and dice the onions, cut the bell pepper into 1-inch squares, wash and chop the asparagus and peel the garlic.  - 1 onion, 1 bell pepper, 3 cloves garlic, ½ lb asparagus 
- Pour the oil into the saucepan and set the burner to medium. - 1 tbsp olive oil 
- Slice the Italian sausage into 1/8-inch-thick slices. If you are using frozen sausage, it will be easier to cut it into thin slices.  - 2 Italian sausages 
- Once the oil is hot add the sausage to the pan. Cook for 2-3 minutes on each side. - 2 Italian sausages 
- Meanwhile, bring a medium pot of water to a boil for the spaghetti. 
- Add the onions to the suasage, and cook for 3-4 minutes stirring occasionally.  - 1 onion, 1 bell pepper, ½ lb asparagus 
- Add peppers and asparagus and sautee for 2-3 minutes. Then press in the garlic and cook for another 30 seconds.  - 3 cloves garlic, 1 tbsp Italian seasoning, ½ tbsp dried oregano, 1 tsp dried basil 
- Add all the herbs and pour in the passata. Then add the salt, pepper and sugar. Stir, cover and simmer for 10 minutes. Stir occasionally to prevent burning. - 650 ml passata, 1 tsp salt, ½ tsp ground black pepper, ½ tbsp sugar 
- When the water in the pot comes to a boil, add the spaghetti and cook according to package instructions. Stir occasionally to prevent sticking. - 225 g spaghetti 
- When the pasta is cooked, drain and serve. 
- Serve the noodles onto a plate and top with pasta sauce, freshly ground parmesan cheese and fresh basil. - ¼ cup parmesan, Fresh basil for garnish