Gingerbread Slice

125g butter softened
1/2 cup brown sugar
1 egg
1 1/4 cups treacle
2 1/2 cups flour
2tsp bicarb
1tbls ground ginger
1tsp mixed spice
1 cup milk

White icing-
Combine 2 cups icing sugar, 1/4 cup hot water and 1tsp softened butter into a bowl...mix until smooth.

Preheat oven to 180c.   Grease and line a 25x35cm shallow oblong pan with paper.
Cream the butter and the brown sugar until light and fluffy.
Beat in egg and add treacle and beat until combined
Sift over plain flour and bicarb and spices and pour in the milk.
Beat gently to combine
Pour into pan and bake for 40-45 mins.  Allow cake to cool and top with icing.