Carrot Cake Weet-Bix Slice

Method:

1. Preheat oven to 180°C (355°F). Line base and two sides of a 20cm x 30cm slice tin witha strip of baking paper.
2. Melt margarine in a small saucepan or heat-proof bowl. Whisk in sugar and orange juice. 
3. In a large bowl, stir together Weet-Bix, flour, cinnamon, salt, carrot, and walnuts. Add wet ingredients to dry and stir until no streaks of flour remain. 
4. Transfer mixture to prepared tin, and smooth surface. 
5. Bake 20 - 25 mins,until puffed in the centre and golden on the edges. Cool in tin 20 mins, then transfer to a rack to cool completely.
6. To make icing:in a small bowl, stircream cheese and margarine until very smooth. Add icing sugar and zest. If needed, add milk 1 tsp at a time, until desired consistency is reached. Spread icing over cooled slice. Sprinkle with extra walnuts and orange zest.