Orange and ginger loaf

Ingredients

• Orange icing
• 1 cup sifted pure icing sugar
• 1/3 cup white sugar
• 1/4 cup fresh orange juice
• 150 grams softened butter
• 3/4 cup caster sugar
• 2 oranges, finely grated zest
• 2 eggs
• 1 cup self-raising flour
• 1 cup wholemeal self-raising flour
• 2/3 cup finely chopped unsalted roasted cashews
• 125 grams finely sliced glace ginger
• 1/2 cup milk
• 1/2 cup sour cream
• candied orange zest, to serve
• Candied orange zest
• 1 1 orange, zest
• 1/2 cup caster sugar
• 100 millilitres water