Peel onions and cut them into thin rings. Clean, wash and slice the mushrooms. Dice bacon. Dab roulades, season and spread with mustard. Spread half of the prepared ingredients on top. Roll up and pin
Leave the rest of the bacon crispy. Fry the rest of the mushrooms briefly. Take out everything
Heat the oil in the frying fat. Brown the roulades all around. Add the rest of the onions. Add 3/4-1 l hot water bit by bit. Cover and braise at low heat for 1 1/2 hours
Keep the roulades warm. Whisk cream and starch, stir into the stock, bring to the boil and season to taste. Serve everything. Wash and chop the parsley. Sprinkle with mushrooms. Serve with green beans and boiled potatoes
Drink: cold beer