Veal kidneys in mustard sauce vote now PreviousNext Main DishVery Easy35 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 4 600 700 grams of kidneys, cleaned and cut into bite sized pieces 3 onions, finely sliced 10 cl Port wine 50 cl beef or veal stock 4 tbsp creme fraiche 4 tbsp Dijon or coarse ground mustard 5 cl vegetable oil 30 g butter Salt and pepper View the directions