Pound chicken breasts out to ½ inch thickness with a meat mallet.
Marinate chicken in olive oil, salt, pepper, and Italian seasoning blend for 30 minutes.
Saute chicken in a skillet until cooked through.
Prepare Alfredo sauce by combining cream, half and half, and butter in a saucepan and heating until small bubbles form.
Add garlic powder, Parmesan, and Asiago cheese to the sauce, whisk until thickened.
Cook tortellini according to package instructions.
In a baking dish, layer tortellini, sauce, and sliced chicken breasts.
Top with Panko breadcrumbs and Mozzarella cheese.
Broil in the oven until cheese begins to brown.