→ Pasta
01 - 6.3 oz dried spaghetti
→ Meat & Protein
02 - 2 chicken sausages (or pork or vegetarian sausage), sliced
→ Vegetables
03 - 1 small onion, thinly sliced
04 - 1/2 green bell pepper, thinly sliced
05 - 1/2 red bell pepper, thinly sliced
06 - 4 white mushrooms, sliced
→ Sauce
07 - 4 tbsp tomato ketchup
08 - 2 tbsp tomato paste
09 - 1 tbsp Worcestershire sauce
10 - 1 tbsp unsalted butter
11 - 1 tsp olive oil
12 - Salt and black pepper, to taste
→ Garnish
13 - Freshly grated Parmesan cheese (optional)
14 - Chopped parsley (optional)