Penne with mushrooms in white sauce Main DishVery Easy25 min Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 4 1 cup penne pasta 1 packet button mushrooms 5 tsp flour 3 tsp butter 2 cups milk 1 tsp pepper powder 1 tsp sugar 3 - 4 olives Salt as per taste 1 tsp chilli flakes 2 - 3 basil leaves for garnishing 1 tsp oil View the directions