Method: Put in a pan and slowly melt the butter, soft brown sugar, treacle and syrup. Sieve the following into a bowl: plain flour, baking soda, mixed spice, cinnamon and nutmeg. Beat 2 eggs, add the beer and melted ingredients. Slowly add this mixture to the dry ingredients and beat well. Put in a roasting tin that has been greased and floured and bake at gas mark 4, 180°C/250°F for 45 minutes and then lower the temperature to gas mark 2 150°C/300°F until cooked.