In a large saucepan combine butter, sugar, milk, dates, sultanas, currants, mixed fruit peel and zest of the orange; bring to the boil. Remove from heat and stir in bicarbonate of soda. Sift in the flour, cinnamon and salt; mix gently until blended. Pour into prepared pudding mould.
3.
Cover with a double layer of greased greaseproof paper and steam for 2 hours.