Potatoes may also be baked at lower temperatures for longer times. This process tends to give the outside of the spud a crisper skin. [2] X Research source 350 °F (177 °C) for approximately 90 minutes or 375 °F (191 °C) for approximately 75 minutes is a good guideline. Cooking times will vary. Not all potatoes are uniform in size and mass, making these cooking times a guideline, not a rule. Perform the fork test to figure out if the potato has reached the doneness you want.

Sour cream and chive Butter and salt Cheese

Check the potato for doneness slightly before you think it may be finished cooking. Because the aluminum foil accelerates the cooking, you may want to check early to avoid an overdone potato.