Macaroni Grill Pasta Di Pollo Al Sugo Bianco

Asiago Sauce:
4 cups heavy whipping cream
1/8 teaspoon paste or dried chicken base
1 1/4 cups asiago cheese
1 tablespoon cornstarch
2 ounces water

1/2 stick butter
1/2 cup red onions, diced
1/2 cup pancetta, (Italian smoked bacon) drained and chopped
1 tablespoon garlic, chopped
3/4 cup green onions, tops only
3/4 pound sliced grilled chicken
2 pounds farfalle, (bow−tie pasta) cooked
8 ounces heavy whipping cream
1 tablespoon chopped parsley

To make the sauce:
Heat cream to very hot and just bubbly (but not a boil).
Add chicken base and cheese.
Stir constantly with a wire whisk and bring temperature back to just bubbly.
Dissolve cornstarch in the cold water and add to sauce.
Bring to a slow simmer to cook out starch.
Transfer sauce to a container, cover and refrigerate until needed.
To make the pasta dish:
Saute red onion in butter for a few seconds then add pancetta and garlic.
Add chicken, green onions and pasta.
Deglaze the pan with the cream.
Add asiago cream sauce.
Heat thoroughly.
Garnish with parsley and serve.