Cut eggplants into slices (0.5 – 0.75 cm). Slice zucchini and tomatoes very thinly, cut onions into thin rings. Now build stacks of the following ingredients on a coated turning plate, pressing everything tightly while stacking: From bottom to top: Eggplant// Zucchini// Onion// Olive oil// Spices// Arugula// Zucchini// Onion// Tomato// Parmesan// Basil// Eggplant// Press tightly and continue stacking: Zucchini// Onion// Olive oil// Spices// Arugula// Zucchini// Onion// Tomato// Parmesan// Basil// Eggplant// Then press tightly again. Top with another tomato and grated Parmesan. Bake in a preheated combi steamer with the program described herein.