Wash the potatoes, dry them, wrap them in tin foil, put them in the middle of the oven and bake them at 160℃ for 40 minutes. Let it cool a little and then cut it with a knife.

With chopped green onion bacon, or salad dressing+tuna, it will be more delicious!

Without tin foil, the heating will be uneven, and the surface will be burnt and the interior will be immature. If you insist on not using tinfoil, put the potatoes in a bowl, put a plate with hot water under it and bake at100 C for half an hour. Poke it with chopsticks after baking, and it will be cooked if it can penetrate.

The tin foil cabinet selling plastic wrap in the supermarket, tens of meters, is running out. I suggest you buy it. Tin foil is often used in ovens.