Soak gelatine in cold water. Bring the orange peel, cream, sugar and vanillin sugar to the boil in a saucepan and simmer for about 15 minutes. Pour orange cream through a fine sieve into a bowl, let it cool down briefly, dissolve expressed gelatine in the mixture and stir in brandy. Divide the mixture into four glasses and chill for at least 4 hours. Before serving, add one hot espresso to each pannacotta
waiting time approx. 4 hours