Mix eggs with milk and flour. Season with salt and pepper and let it swell. Wash thyme, shake dry. Pluck leaves from the stalks, chop them and add them to the dough. Grate mountain cheese and stir into the dough, except for a little bit. Wash the tomatoes. Clean and clean the mushrooms, possibly halve them.
Heat 1 tablespoon of oil in a frying pan. Fry the mushrooms for 3-4 minutes. Heat 1 tablespoon of oil in two coated, ovenproof pans (approx. 21 cm Ø). Spread the dough evenly into the pans. Fry for 3-4 minutes at medium heat. Cover each pan with half the mushrooms and half the tomatoes
bake pancakes in a preheated oven (electric cooker: 175 °C/ circulating air: 150 °C/ gas: level 2) for 6-8 minutes