Mix flour, beer, egg and parmesan cheese with a whisk to a smooth dough. Let it swell for about 15 minutes
Mix mayonnaise and yoghurt. Peel garlic and chop finely. Wash herbs and chop finely. Mix everything. Season with salt, pepper and lemon juice
3.clean and wash the mushrooms, lettuce and tomatoes Chop the lettuce. Cut the tomatoes into thin slices
Heat the oil in a deep frying pan. Dip the mushrooms little by little with a fork into the dough, let them drip off a little and bake them in the oil until golden brown. Lift them out and let them drip off on kitchen paper. Serve everything