[The Other Harry]

400 Degrees for 1/2 an hour. Then lower the temp to 350.

Cook until the breast registers 140.

Let it rest on the counter for half an hour before carving.

This would be what I would do -- except that I'd go 450/325.

There should be instructions on the wraper. Hopefully, there will be a pop-up thermometer.

[Phaedrus]

This would be what I would do -- except that I'd go 450/325.

I agree. Sear it first.