It is a sweet caramelly teriyaki glaze.The skillet gave it a golden brown crust along the outside. It thickened up and literally just glazed the chicken.
Gourmet meal that's on your table in 30 minutes. The result was this dish and it's superb. If you don't have fresh thyme, I'd suggest using 1/2 tsp dried in it's place. And if you cannot find Asiago cheese, Romano or Parmesan is a decent substitute.