Cut the eggplant into rings about 1.5 cm thick and fry on the grill, then put it on a baking sheet covered with parchment paper and drizzle with soy sauce.
Chop the mushrooms finely and fry in a pan with oil until Golden. Cut tomatoes and onions into thin rings. Grate the cheese.
Grease the eggplant with mayonnaise, put the onion on top, then the tomato, top with mushrooms and sprinkle with cheese. And bake in the oven for 10 minutes 180•C