how long are you supposed to bake a baked potato in the oven what temperature
60 minutes - 350 degrees F or 177 degrees C. 90 minutes - 325 degrees F or 163 degrees C. 2- Next, you have to choose which potato you will be cooking. In order to get really good oven baked potatoes you have to pick a medium size baking potato (you can get a larger one if you want to but cooking times will vary).