Preheat the oven to 200 C. Peel the potatoes and cut them into pieces (not too large). Wash zucchini, clean and cut into rings. Clean green beans and cut in two. Clean the peppers and cut them into cubes. Arrange vegetables in a baking dish covered with baking paper, season with salt, pepper and thyme to taste. Bake for 30 minutes as the occasional stir. Meanwhile, clean the eggplant and cut into slices. Bake grill pan for a minute or two on each side. In the court order presentation put eggplant, order vegetables, eggplant row, row vegetables, the latter remaining eggplant. Pour the olive oil and season to taste if necessary with more salt, pepper and thyme.