Preheat char grill to hot and preheat oven to 180 degrees.
Brush a small amount of oil onto each eggplant disk. Place each disk onto the char grill and cook until soft. Remove from the grill and place tomato slices onto each disk, adding eggplant and tomato alternately, finishing with a tomato layer making four layers. Place the mozzarella slices onto the tomato. Bake in the oven until the cheese is golden and melted. Remove and sprinkle with Parmesan.
Serves 4 as a snack or as part of a side dish for a BBQ or serves 1 as a main course, so multiply according to the number of people
Makes 4 servings (serve = snack/side dish)