Mix flour, 3/8 l milk, eggs and 1 pinch of salt. Let the pancake batter swell for about 10 minutes
Drain the corn. Clean and wash the mushrooms and spring onions. Cut both finely. Fry the minced meat in 1 tbsp. hot oil until crumbly. Fry mushrooms and spring onions for about 3 minutes. Season with salt and chili. Chop the tomatoes coarsely in the juice and add with the corn. Stew everything for about 15 minutes
Finely grate the cheese. Peel and chop the onion and fry in 1 tbsp. hot oil until translucent. Deglaze with 1/8 l water and milk. Bring to the boil, stir in broth. Thicken sauce with sauce thickener. Melt 2/3 cheese in it. Season to taste with a little salt and pepper.
Heat 2-3 tablespoons of oil in portions. Bake four pancakes one after the other. Spread the mince mixture over the pancakes and roll them up. Place in an ovenproof dish and pour sauce over it. Sprinkle with the rest of the cheese. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C / gas: level 3) for about 15 minutes. Wash and chop the parsley and sprinkle over it