1. Cook macaroni according to package directions. Drain and set aside.
2. Preheat barbecue to 205 °C (400 °F) and make sure to have direct and indirect heat zones.
3. Place butter in a barbecue-safe insert and melt butter by placing insert in direct heat zone area over medium heat.
4. Make a blond roux by adding flour to insert and whisk until smooth and thickened.
5. Stir in Fromagée Deluxe sauce and milk. Mix over low heat until smooth, and let simmer for about 5 minutes.
6. Grill prosciutto slices in indirect heat zone.
7. When prosciutto slices are golden brown, slice into small pieces and add to sauce. Mix well to combine.
8. Pour sauce over pasta and stir to coat.
9. Chop green onions and garnish pasta.
10. Serve and enjoy!

Happy BBQ Season!