how much time does it take to cook a medium steak in a oven
1 Cook the steaks in the oven for 40 to 45 minutes. 2  The steak will still look fairly uncooked when you remove it from the oven. 3  A thermometer inserted into the thickest part of the steak will reveal a cooking temperature five to ten degrees lower than the desired doneness.hen roasting a steak in the oven, low temperature and longer cooking time can result in a flavorful steak. To roast a steak: 1  Preheat the oven to 300 degrees. 2  Season the steak.