Step 1

Grease an 18 x 28 cm pan. Line base with cooking paper.

Step 2

Place butter, Weet-Bix, dates, sugar, bicarb soda and water in a bowl.

Step 3

Mix until well combined. Allow to cool.

Step 4

Stir in egg, flour and walnuts. Pour into prepared pan. Smooth over top with a knife.

Step 5

Cook at 180C, for 25-30 minutes, or until cooked when tested. Cool slice in pan.

Step 6

Remove from pan and cut into slices. Serve dusted with icing sugar.