1. Place spaghetti, water, and peanutsauce in a large stockpot. Bring mixture to a boil over high heat.
2. Once boiling, reduce heat to medium and stir the spaghetti every 2-3minutes.
3. Cook on medium until the sauce begins to thicken and the pasta becomes tender, about 15 minutes. Remove from heat and set aside for 3-5 minutes; sauce will thicken as it stands.
4. Toss in chopped peanuts, if desired. Stir to coat.
5. Serve with grilled or cooked chicken, seasoned to taste, and enjoy!