In a pot, boil 3 liters of water and add salt. When water starts boiling, add spaghetti and cook for 10-15 minutes or until fully cooked. Strain spaghetti under cold running water to avoid stickiness.
In a medium-sized pan, add 4 tablespoons of oil and garlic and onion and saute it for 3-4 minutes. Next, add tomatoes and peas and cook for 7-8 minutes or until they become soft. Add red chilli powder, salt and cook for 3 minutes. Add classico one garlic pasta sauce, mix it evenly and add boiled spaghetti, mix again, and turn off the flame.
In a separate pan add remaining 1 tablespoon of oil, heat up for 2 minutes and add brussel sprouts and saute it for 4 minutes and add salt and black pepper. Cover the pot and let it smirre for 20 minutes.