On a baking tray, spread half of the tomato passata on a thin layer, then place all the eggplant rolls in a line, and cover with the rest of the passata. Drizzle with oil, salt and pepper, oregano and some nutritional yeast. Cook in the oven at 190C (fan) for 25 to 30 minutes. If you pre cook your tomato passata, then it can stay in the oven less, like 15-20 minutes
2 tablespoon nutritional yeast, Salt