So funny you asked this. Just last weekend I tried this as my oven is broken and wanted to try a 3lb turkey breast. BONELESS.
It was a FAIL unfortunately. The outside browned nicely but the inside was raw raw raw.
I had to raise the temp, add time, finally it was done. But the outside was so overdone that it was dry.
So I was left with the decision, what to do. So I have decided to cook 2 boneless turkey breasts in my crock pot. THAT I have done before, and its full proof. I cannot have the guessing game on Thanksgiving day, as I will be running to see my mom at the nursing home. First yr she is in there , so it will be different for me this yr.
I am sure others have had success, but mine was terrible.
I hope you have better luck.
Happy THanksgiving to you.