The In Mary We Trust app features 15 of Mary Berry's reliable, step-by-step festive recipes including Traditional Roast Turkey, Apricot & Chestnut Stuffing, Turkey Gravy and all the trimmings plus a delicious Aubergine Five-Nut Roast vegetarian option and showstopping puddings. Let Mary guide you through the planning, shopping and timings for the big day with her shopping lists and unique multiple timer (multiple timer available on the iPad only. Single timer available in iPhone app). Set the timer for up to three different dishes at a time and relax. This Christmas, put your trust in Mary Berry.

New updates in January 2014 will boost the number of recipes to over 50, including Family Lasagne, Tarragon Chicken Casserole and Ultimate Chocolate Roulade.