Peel onion and garlic. Clean and wash the peppers. Peel and wash the carrot. Clean and wash the mushrooms. Chop the prepared vegetables finely. Leek onions clean, wash, cut into rings
Heat the oil in a frying pan. Steam the prepared vegetables for about 5 minutes while turning. Wash the herbs and dab dry. Pluck the leaves from the stems and chop them roughly. Dice cheese
Whisk eggs, herbs and milk. Season with salt and pepper. Line a round baking dish (approx. 20 cm Ø) with baking paper or grease it. Add vegetables, spread cheese over it, pour egg-milk over it and let it simmer in the preheated oven (electric cooker: 175 °C/ circulating air: 150 °C/ gas: level 2) for about 20 minutes. Remove the tortilla, let it cool down briefly and serve