Preparation time: <15 minutes Cooking time: 50 minutes Level of difficulty: easy Ingredients (4 people): 1 steak 4 beautiful mushrooms 1 leek 1 large clove of garlic 1 cup of white wine 15 cl of veal broth 1 teaspoon of cornstarch 2 tablespoons of mustard 10 cl of liquid cream chopped parsley herbs of Provence…
