Step #1
Method (Makes 1 tray - 15 portions) Line a 19x28cm (7½x11 inches) oblong tray with baking parchment.
Step #2
Place the cake mix, water and vegetable oil in a bowl and beat for 1-2 minutes to form a smooth batter.
Step #3
Add the grated pumpkin or butternut squash and sultanas and mix well. Pour the cake batter into the tin.
Step #4
Bake in a preheated oven 190°C (375°F Gas Mark 5) for 45-50 minutes until firm to the touch. Allow to cool in the tin for least 10 minutes before removing onto a wire rack to completely cool.
Step #5
To make the topping, beat the cream cheese, butter, icing sugar, orange juice and zest together till smooth and creamy.
Step #6
Spread the topping over the top of the cake creating swirls with a palette knife. Cut into 15 portions and place a decoration onto the middle of each piece of cake.