Carrot and Orange Tray Bake with Orange infused Raisins

grated zest and juice of 1 large orange

raisins

golden caster or granulated sugar

vegetable oil

banana (mashed)

large eggs (lightly beaten)

medium carrots (peeled and grated)

plain (all-purpose) flour

baking powder

bicarbonate of soda

ground cinnamon

vanilla extract

full fat cream cheese

soft butter (very important it's soft to prevent lumps in the frosting)

confectioners' sugar, sifted

orange extract (optional)

Zest of 1 orange

cinnamon