Clean and wash the mushrooms and, depending on size, cut them in half or quarters. Fry half the mushrooms in 1 tbsp. hot oil until golden brown. Cool down and drain
Soak the buns. Wash parsley and chop except for something to garnish. Grate cheese
Knead minced meat, egg, squeezed bread roll, tomato paste, fried mushrooms, half parsley, salt and pepper. Shape into a loaf and place on a greased baking tray. Sprinkle the rest of the parsley and cheese on top. Roast in the preheated oven (electric cooker: 175 °C/recirculating air: 150 °C/gas: level 2) for approx. 1 1/4 hours
Peel and chop the onion. Fry with remaining mushrooms in 1 tbsp. hot oil until golden brown. Stir in 300 ml water, milk and stock, bring to the boil. Bind and season to taste. Arrange everything, garnish with parsley. Serve with French fries or boiled potatoes
Drink: cool cider