Roast 5 tablespoons of flour in a casserole dish over high heat while stirring until hazelnut brown, cool slightly. Add 50 g butter or margarine. 1 Add the onion and steam for approx. 2 minutes. Pour in. 1 liter of meat stock, bring to the boil while stirring, reduce the heat, simmer for approx. 1 hour and stir occasionally. Grate 100 g of cheese.
Serving: Divide the soup into preheated plates, sprinkle cheese on top or serve separately.
Tips: Add a little strong red wine to the soup at the end.