Prick the eggplant in several places with a fork. Put in a baking dish, greased with vegetable oil. Put in the oven, preheated to 220 ° C, and bake for 10-15 minutes.
Then turn them over, cook for another 10 minutes, until soft. If you want to check, pierce with a vegetable knife.
Eggplants should be taken small, preferably young, so that they are not bitter.