Method: Place the chocolate in a bowl and melt it in a microwave. Heat butter in a non stick pan, add refined flour and sauté lightly. Add milk, little by little and mix well. Soufflé base is ready.

Making soufflés is easy when you have Mary to guide you - and this huge chocolate version is a sure ... 50x30cm/20x12in piece of baking parchment 4 times lengthways (to make a 7½cm/3in deep ...