Polder Digital Meat & Poultry Probe In-Oven Thermometer 5 "Perfect meet all the time." Mr Vaughan 30 December 2020 I don't cook Joints meat in my oven as it so unreliable. I was cooking a boneless turkey crown for christmas. The cooking time work to be 2hr and 15min but it took 3hr to reach the right temperature. The turkey trun out perfect.