Macaroni Grill's Pasta Di Polla Al Sugo Bianco

• 2 farfalle (cooked)
• 1/2 stick butter
• 950 ml cream (heavy)
• 230 ml cream (heavy)
• 200 gr chicken grilled
• 150 gr asiago cheese
• 90 gr green onion tops only
• 65 gr pancetta (chopped)
• 60 gr onions (red diced)
• 55 ml water