Cut the bell peppers in half, remove the seeds, and slice them into strips.

Napolitan Spaghetti
A famous Japanese cafe-style spaghetti dish stir-fried with Vienna sausages, bell peppers, onions, and mushrooms in a tomato ketchup sauce.
What You'll Need
Instructions
Slice the onion into strips.
Slice the button mushrooms.
Cut the cherry tomatoes in half.
Slice the garlic thinly.
Cut the Vienna sausages decoratively.
In a bowl, mix 4 tbsp tomato ketchup, 1 tbsp soy sauce, 2 tsp Worcestershire sauce, 3 tsp sugar, a little pasta boiling water, and a little salt to make the sauce.
Boil the spaghetti noodles in boiling water with salt.
Heat 4 tbsp of olive oil in a pan and stir-fry the garlic.
Add the Vienna sausages, onions, cherry tomatoes, button mushrooms, and bell peppers in order and stir-fry together.
Add the boiled spaghetti noodles to the pan.
Pour the prepared sauce into the pan.
Stir-fry while sprinkling with black pepper powder until the ingredients and sauce are well combined.
Finish by sprinkling with dried basil and Parmesan cheese.