Garlicky Pasta Chicken Salad

• 6 heads of (whole fresh)
• 4 rosemary sprigs
• 280 gr chicken (cooked)
• 180 ml olive oil
• 100 gr corkscrew pasta
• 80 gr walnuts (chopped)
• 60 gr green onion (sliced)
• 40 gr parmesan (freshly grated)
• 8 gr basil leaves (fresh)
• 1 gr rosemary leaves (fresh)